Search results for "judging"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
58	Xiangyu Jin, James C. French, Jonathan Michel	Quantative analysis of the impact of judging inconsistency on the performance of relevance feedback.	SIGIR	2006	DBLP DOI BibTeX RDF	judging inconsistency, performance evaluation, relevance feedback
53	Jijuan Wu, Long Liu, Jibao Lai, Jun Yao	The Real-time Judging System of Figure Skating Based-on WLAN.	IMSCCS (2)	2006	DBLP DOI BibTeX RDF	DirectShow, Figure Skating, WLAN, COM
53	Mathew Mason, Timothy Sherwood, Mohammad Rahman, Miroslava Vomela	Development of an Olympic audience judging system.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	audience participation system, user centered design, usability testing, personas, paper prototype
47	Ginés García-Mateos, José Luis Fernández Alemán	A course on algorithms and data structures using on-line judging.	ITiCSE	2009	DBLP DOI BibTeX RDF	on-line judging, active learning, experience report
44	Betsy Williams, Derek Johnson, Lucy R. Shores, Gayathri Narasimham	Distance perception in virtual environments.	APGV	2008	DBLP DOI BibTeX RDF
42	Yoshinori Adachi, Koichi Takahashi, Masahiro Ozaki, Yuji Iwahori	Development of Judging Method of Understanding Level in Web Learning.	KES (1)	2005	DBLP DOI BibTeX RDF
42	Jeremy Canceko, Bradley Caraway, Shung Pak, Ko Nakatsu	KONEKT: connecting the audience through judging at the Olympic games.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	Greek history, Olympic spirit, branding identity, education, animation, experience, connection, entertainment, hand held device
39	Ben Short	Creativity and categorisation.	Creativity & Cognition	2007	DBLP DOI BibTeX RDF	judging, creativity, category, physical interfaces
39	Ramon Schalleck, Marcin Bober, Heiko Drewes	Design of an audience voting system for the Olympic games.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	Olympic Games, audience voting system, judging board, image processing
33	Rebecca Lunsford, Sharon L. Oviatt	Human perception of intended addressee during computer-assisted meetings.	ICMI	2006	DBLP DOI BibTeX RDF	acoustic-prosodic cues, dialogue style, human-computer teamwork, intended addressee, open-microphone engagement, gaze, multiparty interaction
31	Phoebe M. Roberts, Aaron M. Cohen, William R. Hersh	Tasks, topics and relevance judging for the TREC Genomics Track: five years of experience evaluating biomedical text information retrieval systems.	Inf. Retr.	2009	DBLP DOI BibTeX RDF	Reference standards, Inter-annotator agreement, Information retrieval, Evaluation, Text mining
31	Ka-Ki Li, Howard Leung, Sutie Lam, Cecilia W. P. Li-Tsang	An Assessment Tool for Judging the Overall Appearance of Chinese Handwriting Based on Opinions from Occupational Therapists.	ICWL	2007	DBLP DOI BibTeX RDF	Chinese handwriting education, Handwriting difficulty, Pattern recognition, Handwriting analysis
31	Eriko Yoshimura, Noriyuki Okumura, Hirokazu Watabe, Tsukasa Kawaoka	A Method for Judging Illogical Discourse Based on Concept Association and Common-Sense Judgment.	KES (1)	2007	DBLP DOI BibTeX RDF	Illogical discourse, Natural language, Association, Common-sense
31	Hsing-Chung Liang, Le-Quen Tzeng	Improved Representatives for Unrepairability Judging and Economic Repair Solutions of Memories.	MTDT	2006	DBLP DOI BibTeX RDF
31	Paul D. Clough, Hideo Joho, Ross Purves	Judging the Spatial Relevance of Documents for GIR.	ECIR	2006	DBLP DOI BibTeX RDF
27	Ginés García-Mateos, José Luis Fernández Alemán	Make Learning Fun with Programming Contests.	Trans. Edutainment	2009	DBLP DOI BibTeX RDF	on-line judging, e-learning, Learning strategies, programming contests
27	Elizabeth Akers, Ric Edinberg, Jenny Fan, Yi Leng Lee, Glenn Steinberg	eyeVox: a collaborative scoring process.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	group knowledge, judging, Olympics, delphi method
22	Takuya Kawada, Tetsuji Nakagawa, Kentaro Inui, Sadao Kurohashi	Topic relatedness in evaluative information extraction.	IUCS	2009	DBLP DOI BibTeX RDF
22	James F. Bowring	A new paradigm for programming competitions.	SIGCSE	2008	DBLP DOI BibTeX RDF	acm programming contest, competition paradigm, quality-of-process
22	Chotirat Ann Ratanamahatana	Developing a Decision Support System for a Dove's Voice Competition.	KES (3)	2006	DBLP DOI BibTeX RDF
22	Christopher Drackett, Victoria Fong, Judy Ko, Saki Tanaka, Salma Ting	Global garden: a vision of the universal scoring device.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	individual expression, input/output integration, non-numerical, scoring device, connect, wearable, intuitive interaction
22	Paul Yong, Per Arlander, Marie Begovich, William Blomstrand	2004 Athens 'Diskos': Olympic voting kit.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	memorabilia, simple but serious, economical, entertainment, voting, fun
22	Marcelle van Beusekom, Jakob Bignert, Özgür Tasar	SoMo: an automatic sound & motion sensitive audience voting system.	CHI Extended Abstracts	2004	DBLP DOI BibTeX RDF	Olympic games, parallel voting, spontaneous, motion, detection, sound, voting system, audience participation
22	Lauren Davis 0001	Liemandt Foundation launches hidden agenda contest: university students vie for a $25, 000 prize by building video games that secretly teach middle school subjects.	Comput. Entertain.	2003	DBLP DOI BibTeX RDF
20	Tommy K. H. Chan, Zach W. Y. Lee, Dimitra Skoumpopoulou, Frederik Situmeang	Judging the Wrongness of Firms in Social Media Firestorms: The Heuristic and Systematic Information Processing Perspective.	J. Assoc. Inf. Syst.	2024	DBLP BibTeX RDF
20	Benjamin Holmes 0001, Ian G. McHale, Kamila Zychaluk	Detecting individual preferences and erroneous verdicts in mixed martial arts judging using Bayesian hierarchical models.	Eur. J. Oper. Res.	2024	DBLP DOI BibTeX RDF
20	Jinhong Xian, Ning Zhang, Chao Lu, Honglong Yang, Zongxu Qiu	Novel Method for Determining the Height of the Stable Boundary Layer under Low-Level Jet by Judging the Shape of the Wind Velocity Variance Profile.	Remote. Sens.	2023	DBLP DOI BibTeX RDF
20	Tanmoy Chakraborty 0002, Sarah Masud	Judging the creative prowess of AI.	Nat. Mac. Intell.	2023	DBLP DOI BibTeX RDF
20	Dmitry Pasechnyuk, Anton Prazdnichnykh, Mikhail Evtikhiev, Timofey Bryksin	Judging Adam: Studying the Performance of Optimization Methods on ML4SE Tasks.	CoRR	2023	DBLP DOI BibTeX RDF
20	Yuxing Han 0001, Yunan Ding, Jiangtao Wen, Chen Ye Gan	Judging a video by its bitstream cover.	CoRR	2023	DBLP DOI BibTeX RDF
20	Lianmin Zheng, Wei-Lin Chiang, Ying Sheng 0007, Siyuan Zhuang, Zhanghao Wu, Yonghao Zhuang 0001, Zi Lin, Zhuohan Li 0001, Dacheng Li, Eric P. Xing, Hao Zhang, Joseph E. Gonzalez, Ion Stoica	Judging LLM-as-a-judge with MT-Bench and Chatbot Arena.	CoRR	2023	DBLP DOI BibTeX RDF
20	Quinn Galbraith, Alexandra Carlile Butterfield, Chase Cardon	Judging Journals: How Impact Factor and Other Metrics Differ across Disciplines.	Coll. Res. Libr.	2023	DBLP DOI BibTeX RDF
20	Zixin Deng, Zheng-Hai Huang, Xinhe Miao	Sufficient conditions for judging quasi-strictly diagonally dominant tensors.	Comput. Appl. Math.	2023	DBLP DOI BibTeX RDF
20	Milena S. Gölz, Lisa Finkel, Rebecca Kehlbeck, Anne Herschbach, Isabel Bauer, Jean P. P. Scheib, Oliver Deussen, Jennifer Randerath	From virtual to physical environments when judging action opportunities: are diagnostics and trainings transferable?	Virtual Real.	2023	DBLP DOI BibTeX RDF
20	Seira Aguni, Tetsuo Nishikawa, Kaito Fujita, Ren Nakanishi, Yumi Asahi	Development of a Light-Emitting Sword Tip Accompanying Thrusts and a Device for Judging Valid Thrusts by Light Spectrum Detection Without an Electric Judge in the Foil Event of Fencing Competitions.	HCI (5)	2023	DBLP DOI BibTeX RDF
20	Honglian Xiang, Jia Zhou 0001, Mingjun Liu	Judging Online Health Misinformation: Effects of Cyberchondria and Age.	HCI (32)	2023	DBLP DOI BibTeX RDF
20	Kang Zhang, Einoshin Suzuki	Judging Credible and Unethical Statistical Data Explanations via Phrase Similarity Graph.	PACIS	2023	DBLP BibTeX RDF
20	Kosetsu Tsukuda, Tomoyasu Nakano, Masahiro Hamasaki, Masataka Goto	Unveiling the Impact of Musical Factors in Judging a Song on First Listen: Insights From a User Survey.	ISMIR	2023	DBLP DOI BibTeX RDF
20	Mariana Y. Noguti, Eduardo Vellasques, Luiz S. Oliveira	A Small Claims Court for the NLP: Judging Legal Text Classification Strategies With Small Datasets.	SMC	2023	DBLP DOI BibTeX RDF
20	Yohan Park, Yongjin Kim, Jonghyeok Mun, Jongsun Choi, Jaeyoung Choi, Yongyun Cho	Exaggerated Advertisement Inspection System for Judging the Suitability of Advertisements in Social Media Environment.	ICOIN	2023	DBLP DOI BibTeX RDF
20	Lianmin Zheng, Wei-Lin Chiang, Ying Sheng 0007, Siyuan Zhuang, Zhanghao Wu, Yonghao Zhuang 0001, Zi Lin, Zhuohan Li 0001, Dacheng Li, Eric P. Xing, Hao Zhang, Joseph E. Gonzalez, Ion Stoica	Judging LLM-as-a-Judge with MT-Bench and Chatbot Arena.	NeurIPS	2023	DBLP BibTeX RDF
20	En Zhang, Fan Wu, Xuesong Lu	An Intelligent Scheduling System for Large-Scale Online Judging.	ICCSE (1)	2023	DBLP DOI BibTeX RDF
20	Dmitry Pasechnyuk, Anton Prazdnichnykh, Mikhail Evtikhiev, Timofey Bryksin	Judging Adam: Studying the Performance of Optimization Methods on ML4SE Tasks.	ICSE (NIER)	2023	DBLP DOI BibTeX RDF
20	Benoît Alcaraz, Olivier Boissier, Rémy Chaput, Christopher Leturc	AJAR: An Argumentation-based Judging Agents Framework for Ethical Reinforcement Learning.	AAMAS	2023	DBLP BibTeX RDF
20	Márcio Barbosa de Carvalho, Lisandro Zambenedetti Granville	JurisNN: Judging traffic differentiations as network neutrality violations according to the regulation.	Comput. Networks	2022	DBLP DOI BibTeX RDF
20	Tulasi Sushra, Nitya Iyengar, Manan Shah, Ameya Kshirsagar	Judging a book by its cover: significance of UX design in gamification and computing systems.	Iran J. Comput. Sci.	2022	DBLP DOI BibTeX RDF
20	Nir Douer, Joachim Meyer 0002	Judging One's Own or Another Person's Responsibility in Interactions With Automation.	Hum. Factors	2022	DBLP DOI BibTeX RDF
20	Ela Liberman-Pincu, Yisrael Parmet, Tal Oron-Gilad	Judging a socially assistive robot (SAR) by its cover; The effect of body structure, outline, and color on users' perception.	CoRR	2022	DBLP BibTeX RDF
20	Di Fu, Fares Abawi, Erik Strahl, Stefan Wermter	Judging by the Look: The Impact of Robot Gaze Strategies on Human Cooperation.	CoRR	2022	DBLP DOI BibTeX RDF
20	Jiahao Chen 0006, Zitao Liu 0001, Weiqi Luo 0002	Wide & Deep Learning for Judging Student Performance in Online One-on-one Math Classes.	CoRR	2022	DBLP DOI BibTeX RDF
20	Amer Farea, Zhen Yang, Kien Duong, Nadeesha Perera, Frank Emmert-Streib	Evaluation of Question Answering Systems: Complexity of judging a natural language.	CoRR	2022	DBLP DOI BibTeX RDF
20	Ana Valdivia, Cari Hyde-Vaamonde, Julián García-Marcos	Judging the algorithm: A case study on the risk assessment tool for gender-based violence implemented in the Basque country.	CoRR	2022	DBLP DOI BibTeX RDF
20	Marta Kowal, Piotr Sorokowski, Emanuel Kulczycki, Agnieszka Zelazniewicz	The impact of geographical bias when judging scientific studies.	Scientometrics	2022	DBLP DOI BibTeX RDF
20	Tatsuyoshi Amemiya, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki	Appropriate grape color estimation based on metric learning for judging harvest timing.	Vis. Comput.	2022	DBLP DOI BibTeX RDF
20	Jiahao Chen 0006, Zitao Liu 0001, Weiqi Luo 0002	Wide & Deep Learning for Judging Student Performance in Online One-on-One Math Classes.	AIED (2)	2022	DBLP DOI BibTeX RDF
20	Iori Fukumura, Atsushi Suzuki, Tomoyuki Kanno, Sanggyu Shin	Determining Disease Method by Judging Urgency Based on Morphological Analysis of Twitter Data.	IIAI-AAI	2022	DBLP DOI BibTeX RDF
20	Romain Bielawski, Benjamin Devillers, Tim Van de Cruys, Rufin VanRullen	When does CLIP generalize better than unimodal models? When judging human-centric concepts.	RepL4NLP@ACL	2022	DBLP DOI BibTeX RDF
20	Evan Weissburg, Arya Kumar, Paramveer S. Dhillon	Judging a Book by Its Cover: Predicting the Marginal Impact of Title on Reddit Post Popularity.	ICWSM	2022	DBLP BibTeX RDF
20	Kang Zhang, Hiroaki Shinden, Tatsuki Mutsuro, Einoshin Suzuki	Judging Instinct Exploitation in Statistical Data Explanations Based on Word Embedding.	AIES	2022	DBLP DOI BibTeX RDF
20	Arno Schubbach	Judging machines: philosophical aspects of deep learning.	Synth.	2021	DBLP DOI BibTeX RDF
20	Xin Liu 0013, Ruiling Zhang, Gang Xu, Xiu-Bo Chen, Neal N. Xiong	Confidentially judging the relationship between an integer and an interval against malicious adversaries and its applications.	Comput. Commun.	2021	DBLP DOI BibTeX RDF
20	Fariha Iffath, A. S. M. Kayes, Md. Tahsin Rahman, Jannatul Ferdows, Mohammad Shamsul Arefin, Md. Sabir Hossain	Online Judging Platform Utilizing Dynamic Plagiarism Detection Facilities.	Comput.	2021	DBLP DOI BibTeX RDF
20	Evan Weissburg, Arya Kumar, Paramveer S. Dhillon	Judging a book by its cover: Predicting the marginal impact of title on Reddit post popularity.	CoRR	2021	DBLP BibTeX RDF
20	Zizhao Hu, Ravikiran Chanumolu, Xingyu Lin, Nayela Ayaz, Vincent Chi	Evaluating NLP Systems On a Novel Cloze Task: Judging the Plausibility of Possible Fillers in Instructional Texts.	CoRR	2021	DBLP BibTeX RDF
20	Adrien Pavao, Isabelle Guyon, Michael Vaccaro	Judging competitions and benchmarks: a candidate election approach.	ESANN	2021	DBLP DOI BibTeX RDF
20	Pengda Si, Qiang Deng, Yiru Wang, Bin Zhong, Jin Xu, Yujiu Yang	Judging Medical Q&A Alignments in Multiple Aspects.	CICAI (2)	2021	DBLP DOI BibTeX RDF
20	Yuling Wang	Research and Implementation of English Assisted Learning System Based on Decision Tree Algorithm for Judging Vocabulary Difficulty.	ICISCAE (ACM)	2021	DBLP DOI BibTeX RDF
20	Simon Staudinger, Christoph G. Schuetz, Michael Schrefl	A Reference Process for Judging Reliability of Classification Results in Predictive Analytics.	DATA	2021	DBLP DOI BibTeX RDF
20	Hanbo Zhou, Yiming Zhao, Wei Xiang	Method for judging parking status based on yolov2 target detection algorithm.	ITQM	2021	DBLP DOI BibTeX RDF
20	Elena Mazurova, Esko Penttinen, Antti Salovaara	Stakeholder-dependent views on biases of human- and machine-based judging systems.	HICSS	2021	DBLP BibTeX RDF
20	Tatsuyoshi Amemiya, Kodai Akiyama, Chee Siang Leow, Prawit Buayai, Koji Makino, Xiaoyang Mao, Hiromitsu Nishizaki	Development of a Support System for Judging the Appropriate Timing for Grape Harvesting.	CW	2021	DBLP DOI BibTeX RDF
20	Mengchi Zhang, Ahmad Alawneh, Timothy G. Rogers	Judging a type by its pointer: optimizing GPU virtual functions.	ASPLOS	2021	DBLP DOI BibTeX RDF
20	Lei Li 0037, Chengzhi Zhang, Daqing He	Factors influencing the importance of criteria for judging answer quality on academic social Q&A platforms.	Aslib J. Inf. Manag.	2020	DBLP DOI BibTeX RDF
20	Anthony C. Little, Jack A. F. Griffey	Preferring and Detecting Face Symmetry: Comparing Children and Adults Judging Human and Monkey Faces.	Symmetry	2020	DBLP DOI BibTeX RDF
20	Matthew L. Jockers, Fernando Nascimento, George H. Taylor	Judging style: The case of Bush versus Gore.	Digit. Scholarsh. Humanit.	2020	DBLP DOI BibTeX RDF
20	Jiachen Jiang, Soroush Vosoughi	Not Judging a User by Their Cover: Understanding Harm in Multi-Modal Processing within Social Media Research.	CoRR	2020	DBLP BibTeX RDF
20	Daniel C. Elton	Self-explainability as an alternative to interpretability for judging the trustworthiness of artificial intelligences.	CoRR	2020	DBLP BibTeX RDF
20	Hansub Shin, Hyuk-Yoon Kwon	Weakly Supervised Learning for Judging the Credibility of Movie Reviews.	CoRR	2020	DBLP BibTeX RDF
20	Dongyu Zhang, Teng Guo, Hanxiao Pan, Jie Hou, Zhitao Feng, Liang Yang 0003, Hongfei Lin, Feng Xia 0001	Judging a Book by Its Cover: The Effect of Facial Perception on Centrality in Social Networks.	CoRR	2020	DBLP BibTeX RDF
20	Isamu Okada, Hitoshi Yamamoto, Satoshi Uchida	Hybrid Assessment Scheme Based on the Stern- Judging Rule for Maintaining Cooperation under Indirect Reciprocity.	Games	2020	DBLP DOI BibTeX RDF
20	Kyungmi Chung, Jin Young Park, Kiwan Park, Yaeri Kim	Which Visual Modality Is Important When Judging the Naturalness of the Agent (Artificial Versus Human Intelligence) Providing Recommendations in the Symbolic Consumption Context?	Sensors	2020	DBLP DOI BibTeX RDF
20	Jingyu Wang 0003, Zhangming Zhu	A 0.6-V 9-bit 1-MS/s Charging Sharing SAR ADC With Judging-Window Switching Logic and Independent Reset Comparator for Power-Effective Applications.	IEEE Trans. Circuits Syst. II Express Briefs	2020	DBLP DOI BibTeX RDF
20	Min Zuo, Si-Yu He, Qingchuan Zhang, Qing-Bang Wang	Character-word Double-dimensional Semantic Classification Model for Judging Illegal and Irregular Behaviors for Internet Food Safety.	QRS Companion	2020	DBLP DOI BibTeX RDF
20	Pawel Kasprowski, Katarzyna Harezlak, Piotr Fudalej, Pawel Fudalej	Judging Qualification, Gender, and Age of the Observer Based on Gaze Patterns When Looking at Faces.	ICPR Workshops (3)	2020	DBLP DOI BibTeX RDF
20	Xiwen Zhang, Shuo Xu, Xin An	Method for Judging Interdisciplinary References in Literature Based on Complex Networks.	CSIA (1)	2020	DBLP DOI BibTeX RDF
20	Malihe Alikhani, Baber Khalid, Rahul Shome, Chaitanya Mitash, Kostas E. Bekris, Matthew Stone	That and There: Judging the Intent of Pointing Actions with Robotic Arms.	AAAI	2020	DBLP DOI BibTeX RDF
20	Janina Seutter, Jürgen Neumann, Dennis Kundisch	Nudging in Judging - Differences in Online Rating Behavior for Utilitarian and Hedonic Service Aspects.	Wirtschaftsinformatik (Zentrale Tracks)	2020	DBLP DOI BibTeX RDF
20	Elena Mazurova, Esko Penttinen	Probing Athletes' Perceptions Towards Electronic Judging Systems - A Case Study in Gymnastics.	HICSS	2020	DBLP BibTeX RDF
20	Liyourong Wang	Judging Pre-owned-bicycle Deals Type Using Machine Learning Methods.	ICRAI	2020	DBLP DOI BibTeX RDF
20	Noriyasu Yamamoto	Judging Students' Learning Style from Big Video Data Using Neural Network.	EIDWT	2020	DBLP DOI BibTeX RDF
20	Frank Pasquale	Machines Judging Humans: The Promise and Perils of Formalizing Evaluative Criteria.	AIES	2020	DBLP DOI BibTeX RDF
20	Shu Jiang, Zhuosheng Zhang 0001, Hai Zhao 0001, Jiangtong Li, Yang Yang 0030, Bao-Liang Lu, Ning Xia	Judging Chemical Reaction Practicality From Positive Sample only Learning.	CoRR	2019	DBLP BibTeX RDF
20	Malihe Alikhani, Baber Khalid, Rahul Shome, Chaitanya Mitash, Kostas E. Bekris, Matthew Stone	That and There: Judging the Intent of Pointing Actions with Robotic Arms.	CoRR	2019	DBLP BibTeX RDF
20	Noriyasu Yamamoto	Converting Big Video Data into Short Video: Using 360-Degree Cameras for Searching Students Location and Judging Students Learning Style.	NBiS	2019	DBLP DOI BibTeX RDF
20	Dongyu Zhang, Teng Guo, Hanxiao Pan, Jie Hou, Zhitao Feng, Liang Yang 0003, Hongfei Lin, Feng Xia 0001	Judging a Book by Its Cover: The Effect of Facial Perception on Centrality in Social Networks.	WWW	2019	DBLP DOI BibTeX RDF
20	Anisia Katinskaia, Sardana Ivanova	Multiple Admissibility: Judging Grammaticality using Unlabeled Data in Language Learning.	BSNLP@ACL	2019	DBLP DOI BibTeX RDF
20	Nicholas Ichien, Hongjing Lu, Keith J. Holyoak	Individual Differences in Judging Similarity Between Semantic Relations.	CogSci	2019	DBLP BibTeX RDF
20	Fufu Wang, Lu Zhang, Wenzhong Lou, Dakui Wang, Long Li, Zhihong Qiao	Design and Parametric Analysis of the Threshold-Value Judging Mechanism in MEMS Security System.	NEMS	2019	DBLP DOI BibTeX RDF
20	Huifang Cheng, Tong Cui, Feng Ding, Sheng Wan	A Neural Network Based Method for Judging the Rationality of Litigation Request.	ICIRA (2)	2019	DBLP DOI BibTeX RDF
20	Kuangzhe Xu, Hiyori Tagami, Toshihiko Matsuka	How do the personality traits affect observational behaviors when judging whether smiles are genuine or not?	BESC	2019	DBLP DOI BibTeX RDF