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Journal articles on the topic 'FAQ RETRIEVAL'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Setiawan, Gede Herdian, and I. Made Budi Adnyana. "Information Retrieval Pada Frequently Asked Questions (FAQ) dengan metode String Similarity." Techno.Com 21, no. 4 (2022): 847–55. http://dx.doi.org/10.33633/tc.v21i4.6843.

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Information retrieval merupakan sebuah sarana untuk menemukan informasi berdasarkan kumpulan informasi pada data terstruktur maupun tidak terstruktur secara otomatis. implementasi information retrival seperti mesin pencari menggunakan query dari pengguna dengan bahasa alami manusia kemudian sistem dapat menemukan dokumen atau informasi yang berkaitan dengan query dari pengguna. Pada penelitian ini di usulkan sistem information retrieval pada Frequently Asked Questions atau FAQ dengan mencari pertanyaan yang mirip (similar) pada daftar pertanyaan di basis data terhadap pertanyaan yang diberikan

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Wu, Chung-Hsien, Jui-Feng Yeh, and Ming-Jun Chen. "Domain-specific FAQ retrieval using independent aspects." ACM Transactions on Asian Language Information Processing 4, no. 1 (2005): 1–17. http://dx.doi.org/10.1145/1066078.1066079.

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Thuma, Edwin, Moemedi Lefoane, and Gontlafetse Mosweunyane. "A review on the Detection of Missing Content Queries in FAQ Retrieval Systems." INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 16, no. 2 (2017): 6203–6. http://dx.doi.org/10.24297/ijct.v16i2.5996.

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When developing an automated FAQ retrieval system, the information supplier constructs question candidates in advance using their own knowledge. Then they answer these question candidates to create question-answer pairs to use in the FAQ retrieval system. However, these question-answer pairs will not always satisfy the usersâ€™ information needs. When there is no relevant questionâ€“answer pair to a usersâ€™ query, such a user may submit various query reformulations browsing over the long results list and may abandon the search before their information need has been satisfied. Such users many

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Harksoo Kim and Jungyun Seo. "Cluster-Based FAQ Retrieval Using Latent Term Weights." IEEE Intelligent Systems 23, no. 2 (2008): 58–65. http://dx.doi.org/10.1109/mis.2008.23.

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Romero, M., A. Moreo, and J. L. Castro. "A cloud of FAQ: A highly-precise FAQ retrieval system for the Web 2.0." Knowledge-Based Systems 49 (September 2013): 81–96. http://dx.doi.org/10.1016/j.knosys.2013.04.019.

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Chung-Hsien Wu, Jui-Feng Yeh, and Yu-Sheng Lai. "Semantic segment extraction and matching for Internet FAQ retrieval." IEEE Transactions on Knowledge and Data Engineering 18, no. 7 (2006): 930–40. http://dx.doi.org/10.1109/tkde.2006.115.

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Moreo, A., E. M. Eisman, J. L. Castro, and J. M. Zurita. "Learning regular expressions to template-based FAQ retrieval systems." Knowledge-Based Systems 53 (November 2013): 108–28. http://dx.doi.org/10.1016/j.knosys.2013.08.018.

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Moreo, A., M. Navarro, J. L. Castro, and J. M. Zurita. "A high-performance FAQ retrieval method using minimal differentiator expressions." Knowledge-Based Systems 36 (December 2012): 9–20. http://dx.doi.org/10.1016/j.knosys.2012.05.015.

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Moreo, A., M. Romero, J. L. Castro, and J. M. Zurita. "FAQtory: A framework to provide high-quality FAQ retrieval systems." Expert Systems with Applications 39, no. 14 (2012): 11525–34. http://dx.doi.org/10.1016/j.eswa.2012.02.130.

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Seo, Jaehyung, Taemin Lee, Hyeonseok Moon, et al. "Dense-to-Question and Sparse-to-Answer: Hybrid Retriever System for Industrial Frequently Asked Questions." Mathematics 10, no. 8 (2022): 1335. http://dx.doi.org/10.3390/math10081335.

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The term “Frequently asked questions” (FAQ) refers to a query that is asked repeatedly and produces a manually constructed response. It is one of the most important factors influencing customer repurchase and brand loyalty; thus, most industry domains invest heavily in it. This has led to deep-learning-based retrieval models being studied. However, training a model and creating a database specializing in each industry domain comes at a high cost, especially when using a chatbot-based conversation system, as a large amount of resources must be continuously input for the FAQ system’s maintenance

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Dudekula Mansoor Ahmad and Dr. C.Gulzar. "AI Based FAQ Chatbot with Voice Assistance." international journal of engineering technology and management sciences 9, no. 2 (2025): 770–78. https://doi.org/10.46647/ijetms.2025.v09i02.098.

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In recent years, chatbots have gained significant attention as a convenient means of providingcustomer support, information retrieval, and task automation. With advancements in artificialintelligence (AI) and natural language processing (NLP), these chatbots have become increasinglysophisticated, offering more personalized and efficient interactions. This project aims to develop anAI-based FAQ chatbot with voice assistance, leveraging state-of-the-art NLP techniques and voicerecognition technology. The proposed chatbot will be designed to assist users in retrieving information from a predefine

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B., Sai Jyothi, Vyshnavi U., Kavya Vasanthi Y., Sai Deepika R., and Ramya Sindhu G. "Intelligent FAQ Chatbot: A User-Centric Approach using Large Language Models." Journal of Artificial Intelligence and Capsule Networks 7, no. 1 (2025): 78–93. https://doi.org/10.36548/jaicn.2025.1.006.

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The use of increasingly automated systems for tasks like customer support and information retrieval is considerably changing industries such as education, healthcare, and e-commerce. Typical FAQ chatbots often rely on rule-based or keyword-matching algorithms, which limit their ability to address complex questions, adapt to personalized contexts, and learn from interactions. This undertaking introduces a novel chatbot for frequently asked questions, which uses advanced LLMs to tackle these issues. Gemini is an advanced LLM, and the LangChain allows for advanced context management. This system

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Kim, Harksoo, and Jungyun Seo. "High-performance FAQ retrieval using an automatic clustering method of query logs." Information Processing & Management 42, no. 3 (2006): 650–61. http://dx.doi.org/10.1016/j.ipm.2005.04.002.

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Ahn, Hyeokju, and Harksoo Kim. "Enhanced Spoken Sentence Retrieval Using a Conventional Automatic Speech Recognizer in Smart Home." International Journal on Artificial Intelligence Tools 25, no. 03 (2016): 1650017. http://dx.doi.org/10.1142/s0218213016500172.

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With the rapid evolution of smart home environment, the demand for spoken information retrieval (e.g., voice-activated FAQ retrieval) on information appliances is increasing. In spoken information retrieval, users’ spoken queries are converted into text queries using automatic speech recognition (ASR) engines. If top-1 results of the ASR engines are incorrect, the errors are propagated to information retrieval systems. If a document collection is a small set of sentences such as frequently asked questions (FAQs), the errors have additional effect on the performance of information retrieval sys

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Lee, Taewoo, Doyeon Kim, Jaejeong Shim, Hyewon Han, and Taeyong Kim. "Design and Implementation of an Insurance FAQ Customer Service Chatbot Using a LangChain-Based Retrieval-Augmented Generation Framework." Journal of the Korea Institute of Information and Communication Engineering 29, no. 5 (2025): 626–34. https://doi.org/10.6109/jkiice.2025.29.5.626.

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Kim, Harksoo, Hyunjung Lee, and Jungyun Seo. "A reliable FAQ retrieval system using a query log classification technique based on latent semantic analysis." Information Processing & Management 43, no. 2 (2007): 420–30. http://dx.doi.org/10.1016/j.ipm.2006.07.018.

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Bunandi, Wendy, and Viny Christanti Mawardi. "CHATBOT VIRTUAL ASSISTANT HELP DESK DENGAN METODE AIML." Jurnal Serina Sains, Teknik dan Kedokteran 2, no. 1 (2024): 51–60. http://dx.doi.org/10.24912/jsstk.v2i1.32051.

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Chatbot virtual assistant help desk merupakan aplikasi yang dapat digunakan untuk melakukan percakapan virtual mengenai pertanyaan yang sering ditanyakan seperti Frequently Asked Questions (FAQ). Aplikasi ini berguna untuk membantu menjawab user jika memiliki pertanyaan diluar jam kerja selama 24 jam. Metode penelitian yang digunakan dalam chatbot virtual assistant help desk ini adalah metode artificial intelligence markup language (AIML). Bahasa pemrogramman yang digunakan adalah bahasa pemrogramman python dan dengan menggunakan library python flask. Data yang digunakan untuk pengujian adalah

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He, Daqing, Zhendong Wang, Khushboo Thaker, and Ning Zou. "Translation and Expansion: Enabling Laypeople Access to the COVID-19 Academic Collection." Data and Information Management 4, no. 3 (2020): 177–90. http://dx.doi.org/10.2478/dim-2020-0011.

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AbstractAcademic collections, such as COVID-19 Open Research Dataset (CORD-19), contain a large number of scholarly articles regarding COVID-19 and other related viruses. These articles represent the latest development in combating COVID-19 pandemic in various disciplines. However, it is difficult for laypeople to access these articles due to the term mismatch problem caused by their limited medical knowledge. In this article, we present an effort of helping laypeople to access the CORD-19 collection by translating and expanding laypeople's keywords to their corresponding medical terminology u

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Arora, Monika, and Vineet Kansal. "The Inverse Edit Term Frequency for Informal Word Conversion Using Soundex for Analysis of Customer’s Reviews." Recent Advances in Computer Science and Communications 13, no. 5 (2020): 917–25. http://dx.doi.org/10.2174/2213275912666190405114330.

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Background: E-commerce/ M-commerce has emerged as a new way of doing businesses in the present world which requires an understanding of the customer’s needs with the utmost precision and appropriateness. With the advent of technology, mobile devices have become vital tools in today’s world. In fact, smart phones have changed the way of communication. The user can access any information on a single click. Text messages have become the basic channel of communication for interaction. The use of informal text messages by the customers has created a challenge for the business segments in terms of c

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Panditharatne, Sanjeevani, Helen Brindley, Caroline Cox, et al. "Retrievals of water vapour and temperature exploiting the far-infrared: application to aircraft observations in preparation for the FORUM mission." Atmospheric Measurement Techniques 18, no. 3 (2025): 717–35. https://doi.org/10.5194/amt-18-717-2025.

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Abstract. We present the extension of the Rutherford Appleton Laboratory (RAL) Infrared Microwave Sounding (IMS) optimal estimation retrieval scheme to include the use of far-infrared channels in preparation for the upcoming Far-infrared Outgoing Radiation Understanding and Monitoring (FORUM) mission. The IMS code has been previously applied to mid-infrared spectral radiances measured by the Infrared Atmospheric Sounding Instrument (IASI) to retrieve temperature and water vapour. Given this, the evolution and evaluation of the extended scheme is performed in two steps. First, clear-sky retriev

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Warwick, Laura, Jonathan E. Murray, and Helen Brindley. "The Far-INfrarEd Spectrometer for Surface Emissivity (FINESSE) – Part 2: First measurements of the emissivity of water in the far-infrared." Atmospheric Measurement Techniques 17, no. 16 (2024): 4777–87. http://dx.doi.org/10.5194/amt-17-4777-2024.

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Abstract. In this paper, we describe a method for retrieving the surface emissivity of specular surfaces across the wavenumber range of 400–1600 cm−1 using novel radiance measurements of the Far-INfrarEd Spectrometer for Surface Emissivity (FINESSE) instrument. FINESSE is described in detail in Part 1 (Murray et al., 2024) of this paper. We apply the method to two sets of measurements of distilled water. The first set of emissivity retrievals is of distilled water heated above ambient temperature to enhance the signal-to-noise ratio. The second set of emissivity retrievals is of ambient temper

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22

Li, Zhen, Anton Verhoef, and Ad Stoffelen. "WindRAD Scatterometer Quality Control in Rain." Remote Sensing 17, no. 3 (2025): 560. https://doi.org/10.3390/rs17030560.

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Rain backscatter corrupts Ku-band scatterometer wind retrieval by mixing with the signatures of the σ∘ (backscatter measurements) on the sea surface. The measurements are sensitive to rain clouds due to the short wavelength, and the rain-contaminated measurements in a wind vector cell (WVC) deviate from the simulated measurements using the wind geophysical model function (GMF). Therefore, quality control (QC) is essential to guarantee the retrieved winds’ quality and consistency. The normalized maximum likelihood estimator (MLE) residual (Rn) is a QC indicator representing the distance between

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23

Di Natale, Gianluca, Giovanni Bianchini, Massimo Del Guasta, et al. "Characterization of the Far Infrared Properties and Radiative Forcing of Antarctic Ice and Water Clouds Exploiting the Spectrometer-LiDAR Synergy." Remote Sensing 12, no. 21 (2020): 3574. http://dx.doi.org/10.3390/rs12213574.

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Optical and microphysical cloud properties are retrieved from measurements acquired in 2013 and 2014 at the Concordia base station in the Antarctic Plateau. Two sensors are used synergistically: a Fourier transform spectroradiometer named REFIR-PAD (Radiation Explorer in Far Infrared-Prototype for Applications and Developments) and a backscattering-depolarization LiDAR. First, in order to identify the cloudy scenes and assess the cloud thermodynamic phase, the REFIR-PAD spectral radiances are ingested by a machine learning algorithm called Cloud Identification and Classification (CIC). For eac

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Katsev, I. L., A. S. Prikhach, E. P. Zege, J. O. Grudo, and A. A. Kokhanovsky. "Speeding up the AOT retrieval procedure using RTT analytical solutions: FAR code." Atmospheric Measurement Techniques Discussions 3, no. 2 (2010): 1645–705. http://dx.doi.org/10.5194/amtd-3-1645-2010.

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Abstract. We present here the aerosol retrieval technique that uses radiative transfer computations in the process of retrieval rather than look-up tables (LUT). This approach provides operational satellite data processing due to the use of the accurate and extremely fast radiative transfer code RAY previously developed by authors along with approximate analytical solutions of the radiative transfer theory. The aerosol optical thickness (AOT) and Angström exponent are optimized in the iteration process using the least-squares technique with fast computations of the derivatives of radiative cha

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Xu, J., F. Schreier, P. Vogt, A. Doicu, and T. Trautmann. "A sensitivity study for far infrared balloon-borne limb emission sounding of stratospheric trace gases." Geoscientific Instrumentation, Methods and Data Systems Discussions 3, no. 1 (2013): 251–303. http://dx.doi.org/10.5194/gid-3-251-2013.

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Abstract. This paper presents a sensitivity study performed for trace gases retrieval from synthetic observations by TELIS (TErahertz and submillimeter LImb Sounder) which is a stratospheric balloon-borne cryogenic heterodyne spectrometer. Issues pertaining to hydroxyl radical (OH) retrieval from the far infrared measurements by the 1.8 THz channel are addressed. The study is conducted by a retrieval code PILS (Profile Inversion for Limb Sounding) developed to solve the nonlinear inverse problems arising in the analysis of infrared/microwave limb sounding measurements. PILS combines a line-by-

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Vaupel, Zachary, Erin A. Baker, Kevin C. Baker, Michael D. Kurdziel, and Paul T. Fortin. "Analysis of Retrieved Agility™ Total Ankle Arthroplasty Systems." Foot & Ankle International 30, no. 9 (2009): 815–23. http://dx.doi.org/10.3113/fai.2009.0815.

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Background: First generation total ankle arthroplasty (TAA) systems showed high rates of failure. The Agility™ (DePuy, Warsaw, IN) TAA system, a second generation design, had improved outcomes; however, implant failure due to loosening of the metallic components persisted. The purpose of this study was to analyze the damage modes and radiographic mode(s) of failure observed in retrieved Agility™ TAA. Materials and Methods: Ten devices were collected and each component was analyzed for common damage modes using microscopy. Clinical damage was analyzed with postoperative implant and preoperative

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Di Natale, Gianluca, Claudio Belotti, Marco Barucci, et al. "Retrieval of Cloud, Atmospheric, and Surface Properties from Far-Infrared Spectral Radiances Measured by FIRMOS-B During the 2022 HEMERA Stratospheric Balloon Campaign." Remote Sensing 17, no. 14 (2025): 2458. https://doi.org/10.3390/rs17142458.

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The knowledge of the radiative properties of clouds and the atmospheric state is of fundamental importance in modelling phenomena in numerical weather predictions and climate models. In this study, we show the results of the retrieval of cloud properties, along with the atmospheric state and the surface temperature, from far-infrared spectral radiances, in the 100–1000 cm−1 range, measured by the Far-Infrared Radiation Mobile Observation System-Balloon version (FIRMOS-B) spectroradiometer from a stratospheric balloon launched from Timmins (Canada) in August 2022 within the HEMERA 3 programme.

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Stevenson, J. A., S. C. Millington, F. M. Beckett, G. T. Swindles, and T. Thordarson. "Big grains go far: reconciling tephrochronology with atmospheric measurements of volcanic ash." Atmospheric Measurement Techniques Discussions 8, no. 1 (2015): 65–120. http://dx.doi.org/10.5194/amtd-8-65-2015.

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Abstract. There is a large discrepancy between the size of volcanic ash particles measured from deposits on the ground (known as cryptotephra; 20–125 μm in length) and those reported by satellite remote sensing (effective radii of 0.5–9 μm; 95% of particles < 17 μm diameter). We use results from the fields of tephrochronology (a dating technique based on volcanic ash layers), dispersion modelling and satellite remote sensing in an attempt to understand from where it arises. We show that Icelandic cryptotephras deposited in NW Europe have lognormal particle size distributions (PSDs) with med

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Di Natale, Gianluca, Luca Palchetti, Giovanni Bianchini, and Massimo Del Guasta. "Simultaneous retrieval of water vapour, temperature and cirrus clouds properties from measurements of far infrared spectral radiance over the Antarctic Plateau." Atmospheric Measurement Techniques 10, no. 3 (2017): 825–37. http://dx.doi.org/10.5194/amt-10-825-2017.

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Abstract. The possibility separating the contributions of the atmospheric state and ice clouds by using spectral infrared measurements is a fundamental step to quantifying the cloud effect in climate models. A simultaneous retrieval of cloud and atmospheric parameters from infrared wideband spectra will allow the disentanglement of the spectral interference between these variables. In this paper, we describe the development of a code for the simultaneous retrieval of atmospheric state and ice cloud parameters, and its application to the analysis of the spectral measurements acquired by the Rad

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Jin, Huiliang, Jianhui Huang, Qian Ye, Guoxiang Meng, Binbin Xiang, and Na Wang. "Surface Shape Detection with a Single Far-Field Intensity by Combined Amplitude and Phase Retrieval." International Journal of Antennas and Propagation 2019 (August 18, 2019): 1–10. http://dx.doi.org/10.1155/2019/7648604.

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The efficiency of a reflector antenna highly depends on its surface shape. In order to ensure a good convergence, the conventional phase retrieval based shape detection schemes require that several far-field intensities be scanned, focused, or defocused. For large reflector antennas, the scanning process is time consuming. This paper proposes a new shape detection method that requires only single far-field intensity. Unlike existing shape detection methods, it retrieves both the amplitude and the phase, based on the fact that a deformed shape causes change not only in the aperture phase but al

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Di Natale, Gianluca, Marco Ridolfi, and Luca Palchetti. "A new approach to crystal habit retrieval from far-infrared spectral radiance measurements." Atmospheric Measurement Techniques 17, no. 10 (2024): 3171–86. http://dx.doi.org/10.5194/amt-17-3171-2024.

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Abstract. To generate reliable climate predictions, global models need accurate estimates of all the energy fluxes contributing to the Earth's radiation budget (ERB). Clouds in general, and more specifically ice clouds, play a key role in the determination of the ERB as they may exert either a feedback or a forcing action, depending on their optical and microphysical properties and physical state (solid/liquid). To date, accurate statistics and climatologies of cloud parameters are not available. Specifically, the ice cloud composition in terms of ice crystal shape (or habit) is one of the par

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Chen Xiaoyi, 陈晓义, 段亚轩 Duan Yaxuan, 王拯洲 Wang Zhengzhou, 袁索超 Yuan Suochao та 达争尚 Da Zhengshang. "基于多步相位恢复的激光远场焦斑测量方法". Chinese Journal of Lasers 49, № 7 (2022): 0704002. http://dx.doi.org/10.3788/cjl202249.0704002.

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Zuraida, Syarifah, and Jaliadi Jaliadi. "KOMPOSISI HASIL TANGKAPAN DAN TINGKAT KELAYAKAN USAHA RUMPON PORTABLE DAN RUMPON TRADISIONAL MENGGUNAKAN PANCING ULUR DI PERAIRAN ACEH BARAT." JURNAL PERIKANAN TROPIS 5, no. 1 (2018): 47. http://dx.doi.org/10.35308/jpt.v5i1.408.

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FAD in the beginning when fishermen see hordes of pelagic fish congregate naturally around the objects floating on the surface. The level of eligibility criteria is top venture capital investment or long term investment in a particular production. The analysis needs to be done in order to know the development of the business at any given time. Field research conducted in July-August 2016, housed in the waters of West Aceh Meulaboh. Data retrieval is performed using the method of experimental fishing and survey (interview). Data were analyzed with the catch using a descriptive approach. The cat

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Pafilis, Evangelos, Rūdolfs Bērzinš, Christos Arvanitidis, and Lars Jensen. "EXTRACT 2.0: interactive identification of biological entities mentioned in text to assist database curation and knowledge extraction." Biodiversity Information Science and Standards 1 (August 10, 2017): e20152. https://doi.org/10.3897/tdwgproceedings.1.20152.

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Data curation is a process occurring in many aspects of biodiversity research, e.g. in digitization of specimen collections and extraction of species occurrences from the legacy literature. Data curation is always characterized by being time demanding and tedious. Gathering information on species and exposing it via search interfaces could be facilitated once phrases of interest have been recognized and the mentioned entities have been linked to community resources. A curator can benefit from interactive systems that highlight biological entities in a document, indicating sections of interest,

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Wu, X., X. Zhang, and H. Lin. "RETRIEVAL OF MINERAL ABUNDANCES OF THE DELTA REGION IN EBERSWALDE, MARS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W1 (July 25, 2017): 171–76. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w1-171-2017.

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Eberswalde Crater, a hotspot of Mars exploration, possesses an unambiguous hydrological system. However, little research has been performed on the large-scale mineral abundances retrieval in this region. Hence, we employed hyperspectral unmixing technology to quantitatively retrieve mineral abundances of the delta region in Eberswalde. In this paper, the single-scattering albedos were calculated by the Hapke bidirectional reflectance function from Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) data (FRT000060DD) and CRISM spectral library respectively, and a sparse unmixing algor

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Zhu, Kewei, Mingmin Zou, Shuli Sheng, et al. "Improved Methods for Retrieval of Chlorophyll Fluorescence from Satellite Observation in the Far-Red Band Using Singular Value Decomposition Algorithm." Remote Sensing 16, no. 18 (2024): 3441. http://dx.doi.org/10.3390/rs16183441.

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Solar-induced chlorophyll fluorescence (SIF) is highly correlated with photosynthesis and can be used for estimating gross primary productivity (GPP) and monitoring vegetation stress. The far-red band of the solar Fraunhofer lines (FLs) is close to the strongest SIF emission peak and is unaffected by chlorophyll absorption, making it suitable for SIF intensity retrieval. In this study, we propose a retrieval window for far-red SIF, significantly enhancing the sensitivity of data-driven methods to SIF signals near 757 nm. This window introduces a weak O2 absorption band based on the FLs window,

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Gerard, L., R. T. Zacks, L. Hasher, and G. A. Radvansky. "Age Deficits in Retrieval: The Fan Effect." Journal of Gerontology 46, no. 4 (1991): P131—P136. http://dx.doi.org/10.1093/geronj/46.4.p131.

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Belotti, Claudio, Flavio Barbara, Marco Barucci, et al. "The Far-Infrared Radiation Mobile Observation System (FIRMOS) for spectral characterization of the atmospheric emission." Atmospheric Measurement Techniques 16, no. 10 (2023): 2511–29. http://dx.doi.org/10.5194/amt-16-2511-2023.

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Abstract. The Far-Infrared Radiation Mobile Observation System (FIRMOS) is a Fourier transform spectroradiometer developed to support the Far-infrared Outgoing Radiation Understanding and Monitoring (FORUM) satellite mission by validating measurement methods and instrument design concepts, both in the laboratory and in field campaigns. FIRMOS is capable of measuring the downwelling spectral radiance emitted by the atmosphere in the spectral band from 100 to 1000 cm−1 (10–100 µm in wavelength), with a maximum spectral resolution of 0.25 cm−1. We describe the instrument design and its characteri

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Qu, Jia, Weimin Wang, Yongle Wu, Bihua Tang, and Yuanan Liu. "Optimized spherical near-field to far-field transformations algorithm based on outlier retrieval and repair." Journal of Physics: Conference Series 2906, no. 1 (2024): 012014. https://doi.org/10.1088/1742-6596/2906/1/012014.

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Abstract In this paper, a spherical near-field to far-field transformation algorithm based on outlier retrieval and repair is proposed to solve the problem of obtaining inaccurate transformation results when the near-field data contains outliers due to probe anomalies. The transformation algorithm adopts the inverse matrix construction method to compute the transmission coefficients of the antenna for far-field reconfiguration with high precision. In addition, the local outlier factor algorithm is employed to fast retrieve the outliers in the input data and repair them according to the spline

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Li, Zhen, Anton Verhoef, Ad Stoffelen, Jian Shang, and Fangli Dou. "First Results from the WindRAD Scatterometer on Board FY-3E: Data Analysis, Calibration and Wind Retrieval Evaluation." Remote Sensing 15, no. 8 (2023): 2087. http://dx.doi.org/10.3390/rs15082087.

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FY-3E WindRAD (Fengyun-3E Wind Radar) is a dual-frequency rotating fan-beam scatterometer. Its data characteristics, NOC (NWP Ocean Calibration), and wind retrieval performance are investigated in this paper. The diversity of the radar view geometry varies across the swaths, with maximum diversity in the sweet swaths and limited diversity in the outer and nadir swaths. When NOC backscatter calibration coefficients are computed as a function of incidence angle only (NOCint), a smooth correction is found. However, when relative antenna azimuth angle is included (NOCant), it appears that the corr

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Centeno, Rebecca, Matthias Rempel, Roberto Casini, and Tanausú del Pino Alemán. "Effects of Spectral Resolution on Simple Magnetic Field Diagnostics of the Mg ii H and K Lines." Astrophysical Journal 936, no. 2 (2022): 115. http://dx.doi.org/10.3847/1538-4357/ac886f.

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Abstract We study the effects of finite spectral resolution on the magnetic field values retrieved through the weak-field approximation (WFA) from the cores of the Mg ii h and k lines. The retrieval of the line-of-sight component of the magnetic field, B LOS, from synthetic spectra generated in a uniformly magnetized FAL-C atmosphere is accurate when restricted to the inner lobes of Stokes V. As we degrade the spectral resolution, partial redistribution effects, which more prominently affect the outer lobes of Stokes V, are brought into the line core through spectral smearing, degrading the ac

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Liu, Liling, Xiaolong Dong, Wenming Lin, and Shuyan Lang. "Dual-Mode Sea Ice Extent Retrieval for the Rotating Fan Beam Scatterometer." Remote Sensing 16, no. 13 (2024): 2378. http://dx.doi.org/10.3390/rs16132378.

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Scatterometers are highlighted in polar applications, such as sea ice extent retrieval. There are currently three types of spaceborne scatterometer in operation, among which the rotating pencil beam scatterometer and the rotating fan beam scatterometer have similar rotating observation geometry, but different beam sampling. However, it is difficult to objectively evaluate the performance of the two rotating beam scatterometers using the obtained data. This is because there are significant differences in their system parameters, which in turn affects the objectivity of the evaluation. Consideri

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Cederquist, J. N., J. R. Fienup, J. C. Marron, and R. G. Paxman. "Phase retrieval from experimental far-field speckle data." Optics Letters 13, no. 8 (1988): 619. http://dx.doi.org/10.1364/ol.13.000619.

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Pérez-Ilzarbe, M. J., M. Nieto-Vesperinas, and R. Navarro. "Phase retrieval from experimental far-field intensity data." Journal of the Optical Society of America A 7, no. 3 (1990): 434. http://dx.doi.org/10.1364/josaa.7.000434.

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Forbus, Kenneth D., Dedre Gentner, and Keith Law. "MAC/FAC: A Model of Similarity-Based Retrieval." Cognitive Science 19, no. 2 (1995): 141–205. http://dx.doi.org/10.1207/s15516709cog1902_1.

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Stevenson, J. A., S. C. Millington, F. M. Beckett, G. T. Swindles, and T. Thordarson. "Big grains go far: understanding the discrepancy between tephrochronology and satellite infrared measurements of volcanic ash." Atmospheric Measurement Techniques 8, no. 5 (2015): 2069–91. http://dx.doi.org/10.5194/amt-8-2069-2015.

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Abstract. There is a large discrepancy between the size of volcanic ash particles measured on the ground at least 500 km from their source volcano (known as cryptotephra) and those reported by satellite remote sensing (effective radius of 0.5–9 μm; 95% of particles < 17 μm diameter). Here we present new results from the fields of tephrochronology (a dating technique based on volcanic ash layers), dispersion modelling and satellite remote sensing in an attempt to understand why. A literature review and measurements of prehistoric and recent eruptions were used to characterise the size range

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Hilza Arrun Geralfine, Imam Mahmudah, Rizky Ridho Perdana, et al. "Data Retrieval on Heat Exchange Machines." BIOMEJ 4, no. 2 (2024): 17–22. https://doi.org/10.33005/biomej.v4i2.134.

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In many industrial processes, heat transfer—the movement of thermal energy from one object or medium to another—is a significant phenomena. Conduction, convection, and radiation are the three primary mechanisms via which this phenomena happens. When a temperature gradient causes heat to go from a hotter to a cooler region in a solid substance, this process is known as conduction. Heat is transferred through a moving fluid (liquid or gas) by convection, which can occur spontaneously as a result of density differences or be induced mechanically by a pump or fan. Unlike the other two methods, rad

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Martin, Andreas, Charuta Pande, Sandro Schwander, Ademola J. Ajuwon, and Christoph Pimmer. "Domain-specific Embeddings for Question-Answering Systems: FAQs for Health Coaching." Proceedings of the AAAI Symposium Series 3, no. 1 (2024): 175–79. http://dx.doi.org/10.1609/aaaiss.v3i1.31197.

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FAQs are widely used to respond to users’ knowledge needs within knowledge domains. While LLM might be a promising way to address user questions, they are still prone to hallucinations i.e., inaccurate or wrong responses, which, can, inter alia, lead to massive problems, including, but not limited to, ethical issues. As a part of the healthcare coach chatbot for young Nigerian HIV clients, the need to meet their information needs through FAQs is one of the main coaching requirements. In this paper, we explore if domain knowledge in HIV FAQs can be represented as text embeddings to retrieve sim

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Zlakishvili, Barak, and Amir Horev. "Gender disparities in high-quality dermatology research over the past 15 years." International Journal of Women’s Dermatology 10, no. 2 (2024): e160. http://dx.doi.org/10.1097/jw9.0000000000000160.

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Background: In the last 15 years, an increase in U.S. female dermatologists from 41 to 52.2% and a surge in female authorship (FAP) have been noted. Authorship is a pivotal objective measurement of academic productivity and, contribution as first or senior author, plays a major role in the promotion process of active physicians and faculty members. Objective: To validate, analyze, and clarify trends in FAP in high-quality dermatology research in the last 15 years. Methods: The Thomson Reuters Web of Science Journal Citation Reports 2021 was used to retrieve the 100 most-cited original articles

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Nekrasov, Alexey, Alena Khachaturian, Evgeny Abramov, Oleg Markelov, and Mikhail Bogachev. "On Sea Ice Measurement by a C-Band Scatterometer at VV Polarization: Methodology Optimization Based on Computer Simulations." Remote Sensing 11, no. 21 (2019): 2518. http://dx.doi.org/10.3390/rs11212518.

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We consider sea ice and water microwave backscatter features at the C-band with vertical transmit and receive polarization and present a method for sea ice/water discrimination using a multiple fixed fan-beam satellite scatterometer. The method is based on the criterion of the minimum statistical distance of measured backscatter values to the sea ice and water (CMOD7) geophysical model functions. Implementation of the method is considered both for a typical three fan-beam geometry as well as for a potential five fan-beam geometry of a satellite scatterometer. By using computer simulations, we

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