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Morphologically Annotated Amharic Text Corpora
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In: SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval ; https://hal-univ-tlse2.archives-ouvertes.fr/hal-03362977 ; SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Jul 2021, Virtual Event Canada, France. pp.2349-2355, ⟨10.1145/3404835.3463237⟩ (2021)
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Overview of SimpleText 2021 - CLEF Workshop on Text Simplification for Scientific Information Access
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction: 12th International Conference of the CLEF Association, CLEF 2021, Virtual Event, September 21–24, 2021, Proceedings ; ISBN: 978-3-030-85251-1 ; 12th Conference and Labs of the Evaluation Forum (CLEF 2021) ; https://hal.archives-ouvertes.fr/hal-03637807 ; 12th Conference and Labs of the Evaluation Forum (CLEF 2021), Sep 2021, Bucharest, Romania. pp.432-449, ⟨10.1007/978-3-030-85251-1_27⟩ ; http://clef2021.clef-initiative.eu/ (2021)
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Application-Oriented Approach for Detecting Cyberaggression in Social Media
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In: International Conference on Applied Human Factors and Ergonomics ; https://hal.archives-ouvertes.fr/hal-02903422 ; International Conference on Applied Human Factors and Ergonomics, Jul 2020, San Diego, United States. pp.129-136, ⟨10.1007/978-3-030-51328-3_19⟩ ; https://link.springer.com/chapter/10.1007%2F978-3-030-51328-3_19 (2020)
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Prediction and Visual Intelligence for Security Information: The PREVISION H2020 Project
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In: CIRCLE 2020 ; https://hal.archives-ouvertes.fr/hal-02877780 ; CIRCLE 2020, Iván Cantador; Max Chevalier; Massimo Melucci; Josiane Mothe, Jul 2020, Samatan, France ; http://ceur-ws.org/Vol-2621/ (2020)
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CONFERENCE REPORT - Report on CLEF 2018: Experimental IR Meets Multilinguality, Multimodality, and Interaction
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In: ISSN: 0163-5840 ; Sigir Forum ; https://hal.archives-ouvertes.fr/hal-02442736 ; Sigir Forum, Association for Computing Machinery (ACM), 2019, 52 (2), pp.72-82. ⟨10.1145/3308774.3308785⟩ ; https://dl.acm.org/doi/10.1145/3308774.3308785 (2019)
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Studying the Variability of System Setting Effectiveness by Data Analytics and Visualization
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In: CLEF 2019: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; Conference and Labs of the Evaluation Forum, Living Labs (CLEF 2019) ; https://hal.archives-ouvertes.fr/hal-02930098 ; Conference and Labs of the Evaluation Forum, Living Labs (CLEF 2019), Sep 2019, Lugano, Switzerland. pp.62-74, ⟨10.1007/978-3-030-28577-7_3⟩ (2019)
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Location extraction from tweets
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In: ISSN: 0306-4573 ; Information Processing and Management ; https://hal.archives-ouvertes.fr/hal-02640811 ; Information Processing and Management, Elsevier, 2018, 54 (2), pp.129-144. ⟨10.1016/j.ipm.2017.11.001⟩ (2018)
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Abstract:
International audience ; Five hundred million tweets are posted daily, making Twitter a major social media platform from which topical information on events can be extracted. These events are represented by three main dimensions: time, location and entity-related information. The focus of this paper is location, which is an essential dimension for geo-spatial applications, either when helping rescue operations during a disaster or when used for contextual recommendations. While the first type of application needs high recall, the second is more precision-oriented. This paper studies the recall/precision trade-off, combining different methods to extract locations. In the context of short posts, applying tools that have been developed for natural language is not sufficient given the nature of tweets which are generally too short to be linguistically correct. Also bearing in mind the high number of posts that need to be handled, we hypothesize that predicting whether a post contains a location or not could make the location extractors more focused and thus more effective. We introduce a model to predict whether a tweet contains a location or not and show that location prediction is a useful pre-processing step for location extraction. We define a number of new tweet features and we conduct an intensive evaluation. Our findings are that (1) combining existing location extraction tools is effective for precision-oriented or recall-oriented results, (2) enriching tweet representation is effective for predicting whether a tweet contains a location or not, (3) words appearing in a geography gazetteer and the occurrence of a preposition just before a proper noun are the two most important features for predicting the occurrence of a location in tweets, and (4) the accuracy of location extraction improves when it is possible to predict that there is a location in a tweet.
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Keyword:
[INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI]; [INFO.INFO-CL]Computer Science [cs]/Computation and Language [cs.CL]; [INFO.INFO-IR]Computer Science [cs]/Information Retrieval [cs.IR]; [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation; Information systems; Location extraction- Location prediction; Machine learningMicroblog collections; Predictive model; Social networks; Tweets analysis
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URL: https://hal.archives-ouvertes.fr/hal-02640811 https://hal.archives-ouvertes.fr/hal-02640811/document https://hal.archives-ouvertes.fr/hal-02640811/file/Hoang_22120.pdf https://doi.org/10.1016/j.ipm.2017.11.001
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Experimental IR Meets Multilinguality, Multimodality, and Interaction (CLEF 2018, Avignon,France)
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In: ISSN: 0302-9743 ; Lecture Notes in Computer Science ; 9th International Conference of the CLEF Association (CLEF 2018) ; https://hal.archives-ouvertes.fr/hal-03044243 ; Bellot, Patrice; Trabelsi, Chiraz; Mothe, Josiane; Murtagh, Fionn; Nie, Jian-Yun; Soulier, Laure; Sanjuan, Eric; Cappellato, Linda; Ferro, Nicola. 9th International Conference of the CLEF Association (CLEF 2018), Sep 2018, Avignon, France. Lecture Notes in Computer Science, Springer Berlin / Heidelberg; Springer, 2018, Experimental IR Meets Multilinguality, Multimodality, and Interaction, 978-3-319-98931-0. ⟨10.1007/978-3-319-98932-7⟩ ; https://link.springer.com/book/10.1007%2F978-3-319-98932-7 (2018)
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Automatic Detection of Depressive Users in Social Media
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In: Actes de CORIA 2018 ; Conférence francophone en Recherche d'Information et Applications (CORIA) ; https://hal.archives-ouvertes.fr/hal-02942297 ; Conférence francophone en Recherche d'Information et Applications (CORIA), May 2018, Rennes, France. ⟨10.24348/coria.2018.paper4⟩ (2018)
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IRIT at e-Risk 2018
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In: CLEF 2018 Working Notes ; 9th Conference and Labs of the Evaluation Forum, Living Labs (CLEF 2018) ; https://hal.archives-ouvertes.fr/hal-02290007 ; 9th Conference and Labs of the Evaluation Forum, Living Labs (CLEF 2018), Sep 2018, Avignon, France. pp.1-12 (2018)
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IRIT at e-Risk
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In: CLEF 2017 - CLEF 2017 Working Notes ; International Conference of the CLEF Association, CLEF 2017 Labs Working Notes (CLEF 2017) ; https://hal.archives-ouvertes.fr/hal-01912779 ; International Conference of the CLEF Association, CLEF 2017 Labs Working Notes (CLEF 2017), Sep 2017, Dublin, Ireland. pp. 1-7 (2017)
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CLEF 2017 Microblog Cultural Contextualization Lab Overview
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; International Conference of the Cross-Language Evaluation Forum for European Languages (CLEF 2017) ; https://hal.archives-ouvertes.fr/hal-01912804 ; International Conference of the Cross-Language Evaluation Forum for European Languages (CLEF 2017), Sep 2017, Dublin, Ireland. pp. 304-314 (2017)
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Do frequent media words worsen query expansion?
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In: Proceedings of Conference Digital Humanities, a part of the Perm Natural Science forum 2017 ; International Scientific Conference Digital Humanities: Resources, Methods, and Research ; a part of the Perm Natural Science forum (2017) ; https://hal.archives-ouvertes.fr/hal-01913972 ; a part of the Perm Natural Science forum (2017), May 2017, Perm, Russia. pp. 100-104 (2017)
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INEX Tweet Contextualization Task: Evaluation, Results and Lesson Learned
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In: ISSN: 0306-4573 ; Information Processing and Management ; https://hal-amu.archives-ouvertes.fr/hal-01479297 ; Information Processing and Management, Elsevier, 2016, 52 (5), pp.801-819. ⟨10.1016/j.ipm.2016.03.002⟩ (2016)
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A Method for Short Message Contextualization: Experiments at CLEF/INEX
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In: Experimental IR Meets Multilinguality, Multimodality, and Interaction ; 6th Conference on Multilingual and Multimodal Information Access Evaluation (CLEF 15) ; https://hal.archives-ouvertes.fr/hal-01343032 ; 6th Conference on Multilingual and Multimodal Information Access Evaluation (CLEF 15), Sep 2015, Toulouse, France. pp. 352-363 (2015)
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Multimodal Social Book Search
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In: CLEF 2015 Working Notes ; 6th Conference on Multilingual and Multimodal Information Access Evaluation (CLEF 2015) ; https://hal.archives-ouvertes.fr/hal-01360875 ; 6th Conference on Multilingual and Multimodal Information Access Evaluation (CLEF 2015), Sep 2015, Toulouse, France. pp. 1-9 (2015)
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Experimental IR Meets Multilinguality, Multimodality, and Interaction : 6th International Conference of the CLEF Association, CLEF'15, Toulouse, France, September 8-11, 2015, Proceedings
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In: 6th International Conference of the CLEF Association (CLEF 2015) ; https://hal.archives-ouvertes.fr/hal-03198249 ; Mothe, Josiane; Savoy, Jacques; Kamps, J.; Pinel-Sauvagnat, Karen; Jones, G.; SanJuan, E.; Cappellato, L.; Wolf, I. 6th International Conference of the CLEF Association (CLEF 2015), 9283, Springer, 564 pp., 2015, Lecture Notes in Computer Science (LNCS), 978-3-319-24026-8 ; https://www.springer.com/gp/book/9783319240268 (2015)
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Report on CLEF 2015: Experimental IR Meets Multilinguality, Multimodality, and Interaction
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In: ISSN: 0163-5840 ; Sigir Forum ; https://hal.archives-ouvertes.fr/hal-03464323 ; Sigir Forum, Association for Computing Machinery (ACM), 2015, 49 (2), pp.47-56. ⟨10.1145/2888422.2888428⟩ ; https://dl.acm.org/doi/10.1145/2888422.2888428 (2015)
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Detecting sociosemantic communities by applying social network analysis in tweets
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In: ISSN: 1869-5450 ; EISSN: 1869-5469 ; Social Network Analysis and Mining ; https://hal.archives-ouvertes.fr/hal-01283863 ; Social Network Analysis and Mining, Springer, 2015, vol. 5 (n° 1), pp. 1-17. ⟨10.1007/s13278-015-0280-2⟩ (2015)
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Overview of INEX 2014
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In: Information access evaluation. Multilinguality, multimodality, and interaction ; International Workshop of the Initiative for the Evaluation of XML Retrieval - INEX 2014 ; https://hal.archives-ouvertes.fr/hal-01123498 ; International Workshop of the Initiative for the Evaluation of XML Retrieval - INEX 2014, Sep 2014, Sheffield, United Kingdom. pp.212-228 (2014)
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