Christina Lioma

Christina Lioma

Professor

Member of:


    1. Published

      Fact Checking with Insufficient Evidence

      Atanasova, Pepa Kostadinova, Simonsen, Jakob Grue, Lioma, Christina & Augenstein, Isabelle, 2022, In: Transactions of the Association for Computational Linguistics. 10, p. 746-763

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      Generating Fact Checking Explanations

      Atanasova, Pepa Kostadinova, Simonsen, Jakob Grue, Lioma, Christina & Augenstein, Isabelle, 2020, : Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics. Association for Computational Linguistics, p. 7352-7364

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    3. Published

      A Diagnostic Study of Explainability Techniques for Text Classification

      Atanasova, Pepa Kostadinova, Simonsen, Jakob Grue, Lioma, Christina & Augenstein, Isabelle, 2020, Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP). Association for Computational Linguistics, p. 3256-3274

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    4. Published

      Faithfulness Tests for Natural Language Explanations

      Atanasova, Pepa Kostadinova, Camburu, O. M., Lioma, Christina, Lukasiewicz, T., Simonsen, Jakob Grue & Augenstein, Isabelle, 2023, Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers). Association for Computational Linguistics (ACL), p. 283-294 12 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    5. Published

      Diagnostics-Guided Explanation Generation

      Atanasova, Pepa Kostadinova, Simonsen, Jakob Grue, Lioma, Christina & Augenstein, Isabelle, 2022, In: Proceedings of the International Joint Conference on Artificial Intelligence. 36, 10, p. 10445-10453.

      Research output: Contribution to journalConference articleResearch

    6. Published

      MultiFC: A Real-World Multi-Domain Dataset for Evidence-Based Fact Checking of Claims

      Augenstein, Isabelle, Lioma, Christina, Wang, D., Chaves Lima, L., Hansen, C., Hansen, C. & Simonsen, Jakob Grue, 2019, Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP). Association for Computational Linguistics, p. 4684-4697

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    7. Published

      Random walk term weighting for information retrieval

      Blanco, R. & Lioma, Christina, 1 Jan 2007, Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR'07. p. 829-830 2 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    8. Graph-based term weighting for information retrieval

      Blanco, R. & Lioma, Christina, 2012, In: Information Retrieval. 15, 1, p. 54-92 39 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Mixed monolingual homepage finding in 34 languages: the role of language script and search domain

      Blanco, R. & Lioma, Christina, 2009, In: Information Retrieval. 12, 3, p. 324-351 28 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      User generated content search

      Blanco, R., Brea, M. E. A. & Lioma, Christina, 2014, Mining of user generated content. Chua, T-S. (ed.). CRC Press, p. 167-186 10 p. (Social Media and Social Computing).

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    11. Published

      Is artificial intelligence magic dust for big-science facilities?

      Nunes Bordallo, Heloisa, Lioma, Christina, Taylor, J. & Argyriou, D. N., 1 Jan 2020, In: IUCrJ. 7, Pt 1, p. 1-2

      Research output: Contribution to journalEditorialResearchpeer-review

    12. Published

      Learning Recommendations from User Actions in the Item-poor Insurance Domain

      Bruun, Simone Borg, Maistro, Maria & Lioma, Christina, 2022, RecSys 2022 - Proceedings of the 16th ACM Conference on Recommender Systems. Association for Computing Machinery, Inc., p. 113-123 11 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    13. Published

      An improved multileaving algorithm for online ranker evaluation

      Brost, B., Cox, Ingemar Johansson, Seldin, Yevgeny & Lioma, Christina, 2016, Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval: SIGIR '16. Association for Computing Machinery, p. 745-748 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    14. Published

      Multi-dueling bandits and their application to online ranker evaluation

      Brost, B., Seldin, Yevgeny, Cox, Ingemar Johansson & Lioma, Christina, 2016, Proceedings of the 25th ACM International Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2161-2166 6 p. (ACM International Conference on Information and Knowledge Management).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    15. Published

      Graph-Based Recommendation for Sparse and Heterogeneous User Interactions

      Bruun, Simone Borg, Leśniak, K. K., Biasini, M., Carmignani, V., Filianos, P., Lioma, Christina & Maistro, Maria, 2023, Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Proceedings. Kamps, J., Goeuriot, L., Crestani, F., Maistro, M., Joho, H., Davis, B., Gurrin, C., Caputo, A. & Kruschwitz, U. (eds.). Springer, p. 182-199 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 13980 LNCS).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    16. Published

      Time-Series Adaptive Estimation of Vaccination Uptake Using Web Search Queries

      Dalum Hansen, N., Mølbak, Kåre, Cox, Ingemar Johansson & Lioma, Christina, 2017, Proceedings of the 26th International Conference on World Wide Web Companion. International World Wide Web Conferences Steering Committee, p. 773-774

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    17. Published

      Specialised tools are needed when searching the web for rare disease diagnoses

      Dragusin, R., Petcu, P., Lioma, Christina, Larsen, B., Jørgensen, H. L., Cox, I., Hansen, L. K., Ingwersen, P. & Winther, O., 2013, In: Rare Diseases. 1, 1, 4 p., e25001.

      Research output: Contribution to journalJournal articleResearchpeer-review

    18. Published

      FindZebra: a search engine for rare diseases

      Dragusin, R., Petcu, P., Lioma, Christina, Larsen, B., Jørgensen, H. L., Cox, Ingemar Johansson, Hansen, L. K., Ingwersen, P. & Winther, O., 2013, In: International Journal of Medical Informatics. 82, 6, p. 528-538 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Zebra: searching for rare diseases: a case of task-based search in the medical domain

      Dragusin, R., Petcu, P., Lioma, Christina & Winther, O., 2012, Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012). Larsen, B., Lioma, C. & de Vries, A. (eds.). p. 36-39 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    20. Published

      Rare disease diagnosis as an information retrieval task

      Dragusin, R., Petcu, P., Lioma, Christina, Larsen, B., Jørgensen, H. & Winther, O., 2011, Advances in Information Retrieval Theory: Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings. Amati, G. & Crestani, F. (eds.). Springer, p. 356-359 4 p. (Lecture notes in computer science, Vol. 6931).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    21. Published

      What makes the difference? An empirical comparison of fusion strategies for multimodal language analysis

      Gkoumas, D., Li, Qiuchi, Lioma, Christina, Yu, Y. & Song, D., 2021, In: Information Fusion. 66, p. 184-197

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. Published

      The tipping point: F-score as a function of the number of retrieved items

      Guns, R., Lioma, Christina & Larsen, B., 2012, In: Information Processing & Management. 48, 6, p. 1171-1180

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Neural weakly supervised fact check-worthiness detection with contrastive sampling-based ranking loss

      Hansen, C., Hansen, C., Simonsen, Jakob Grue & Lioma, Christina, 2019, In: CEUR Workshop Proceedings. 2380, 8 p.

      Research output: Contribution to journalConference articleResearchpeer-review

    24. Published

      Fact Check-Worthiness Detection with Contrastive Ranking

      Hansen, C., Hansen, C., Simonsen, Jakob Grue & Lioma, Christina, 2020, Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Proceedings. Arampatzis, A., Kanoulas, E., Tsikrika, T., Vrochidis, S., Joho, H., Lioma, C., Eickhoff, C., Névéol, A., Névéol, A., Cappellato, L. & Ferro, N. (eds.). Springer, p. 124-130 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12260 LNCS).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    25. Published

      Contextually propagated term weights for document representation

      Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 18 Jul 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 897-900 (SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    26. Published

      Unsupervised neural generative semantic hashing

      Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 735-744 10 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    27. Published

      The Copenhagen Team Participation in the Check-Worthiness Task of the Competition of Automatic Identification and Verification of Claims in Political Debates of the CLEF-2018 CheckThat! Lab

      Hansen, C., Hansen, C., Simonsen, Jakob Grue & Lioma, Christina, 2018, CLEF 2018 Working Notes. Cappellato, L., Ferro, N., Nie, J-Y. & Soulier, L. (eds.). 10 ed. CEUR-WS.org, 8 p. 81. (CEUR Workshop Proceedings, Vol. 2125).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    28. Published

      Unsupervised Semantic Hashing with Pairwise Reconstruction

      Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 2009-2012 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    29. Published

      Neural check-worthiness ranking with weak supervision: Finding sentences for fact-checking

      Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019, The Web Conference 2019 - Companion of the World Wide Web Conference, WWW 2019. Association for Computing Machinery, p. 994-1000 7 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    30. Published

      Content-aware Neural Hashing for Cold-start Recommendation

      Hansen, C., Hansan, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 971-980 10 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    31. Published

      Smart city analytics: ensemble-learned prediction of citizen home care

      Hansen, C., Hansen, C., Alstrup, Stephen & Lioma, Christina, 2017, Proceedings of the 2017 ACM Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2095-2098 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    32. Published

      Unsupervised multi-index semantic hashing

      Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2021, The Web Conference 2021 - Proceedings of the World Wide Web Conference, WWW 2021. Association for Computing Machinery, Inc, p. 2879-2889 (The Web Conference 2021 - Proceedings of the World Wide Web Conference, WWW 2021).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    33. Published

      Neural speed reading with structural-jump-LSTM

      Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019.

      Research output: Contribution to conferencePaperResearchpeer-review

    34. Published

      Modelling Sequential Music Track Skips using a Multi-RNN Approach

      Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019, WSDM '19: Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining. Association for Computing Machinery, 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    35. Published

      Sequence Modeling for Analysing Student Interaction with Educational Systems

      Hansen, C., Hansen, C., Hjuler, N. O. D., Alstrup, Stephen & Lioma, Christina, 25 Jun 2017, Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25-28, 2017. Hu, X., Barnes, T., Hershkovitz, A. & Paquette, L. (eds.). International Educational Data Mining Society (IEDMS), p. 232-237 (Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25 – 28, 2017).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    36. Published

      Modelling End-of-Session Actions in Educational Systems

      Hansen, C., Hansen, C., Alstrup, Stephen & Lioma, Christina, 2019, Proceedings of The 12th International Conference on Educational Data Mining (EDM 2019). Université du Québec à Montréal, p. 306-311

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    37. Published

      Projected hamming dissimilarity for bit-level importance coding in collaborative filtering

      Hansen, C., Hansen, C., Simonsen, Jakob Grue & Lioma, Christina, 2021, The Web Conference 2021 - Proceedings of the World Wide Web Conference, WWW 2021. Association for Computing Machinery, Inc, p. 261-269

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    38. Published

      Factuality Checking in News Headlines with Eye Tracking

      Hansen, C., Hansen, C., Simonsen, Jakob Grue, Larsen, B., Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 2013-2016 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    39. Published

      Seasonal Web Search Query Selection for Influenza-Like Illness (ILI) Estimation

      Hansen, N. D., Mølbak, K., Cox, Ingemar Johansson & Lioma, Christina, 2017, SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 1197-1200

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    40. Published

      Ensemble learned vaccination uptake prediction using web search queries

      Hansen, N. D., Lioma, Christina & Mølbak, K., 2016, Proceedings of the 25th ACM International Conference on Information and Knowledge Management. IEEE, p. 1953-1956 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    41. Published

      Relationship Between Media Coverage and Measles-Mumps-Rubella (MMR) Vaccination Uptake in Denmark: Retrospective Study

      Hansen, N. D., Molbak, K., Cox, Ingemar Johansson & Lioma, Christina, 2019, In: JMIR Public Health and Surveillance. 5, 1, p. 209-220 e9544.

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      Temporal context for authorship attribution: a study of Danish secondary schools

      Hansen, N. D., Lioma, Christina, Larsen, B. & Alstrup, Stephen, 2014, Multidisciplinary information retrieval: 7th Information Retrieval Facility Conference, IRFC 2014, Copenhagen, Denmark, November 10-12, 2014, Proceedings. Lamas, D. & Buitelaar, P. (eds.). Springer, p. 22-40 19 p. (Lecture notes in computer science, Vol. 8849).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    43. Published

      Predicting Antimicrobial Drug Consumption Using Web Search Data

      Hansen, N. D., Mølbak, Kåre, Cox, Ingemar Johansson & Lioma, Christina, 2018, Proceedings of the 2018 International Conference on Digital Health. Association for Computing Machinery, p. 133-142 10 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    44. Published

      An exploratory study into perceived task complexity, topic specificity, and usefulness for integrated search

      Ingwersen, P., Lioma, Christina, Larsen, B. & Wang, P., 2012, Proceedings of the 4th Information Interaction in Context Symposium. Association for Computing Machinery, p. 302-305 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    45. Published

      Developing and validating COVID-19 adverse outcome risk prediction models from a bi-national European cohort of 5594 patients

      Jimenez-Solem, E., Petersen, T. S., Hansen, C., Hansen, C., Lioma, C., Igel, C., Boomsma, W., Krause, O., Lorenzen, S., Selvan, R., Petersen, J., Nyeland, M. E., Ankarfeldt, M. Z., Virenfeldt, G. M., Winther-Jensen, M., Linneberg, A., Ghazi, M. M., Detlefsen, N., Lauritzen, A. D., Smith, A. G. & 15 others, de Bruijne, Marleen, Ibragimov, Bulat, Petersen, Jens, Lillholm, Martin, Middleton, Jon Anthony, Mogensen, S. H., Thorsen-Meyer, H., Perner, Anders, Helleberg, M., Kaas-Hansen, Benjamin Skov, Bonde, M., Bonde, A., Pai, A., Nielsen, Mads & Sillesen, Martin Hylleholt, 2021, In: Scientific Reports. 11, 1, 12 p., 3246.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. Expanding queries with term and phrase translations in patent retrieval

      Jochim, C., Lioma, Christina & Schütze, H., 1 Jan 2011, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 6653 LNCS. p. 16-29 14 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    47. Preliminary study into query translation for patent retrieval

      Jochim, C., Lioma, Christina, Schütze, H., Koch, S. & Ertl, T., 2010, Proceedings of the 3rd international workshop on Patent information retrieval. Association for Computing Machinery, p. 57-66 10 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    48. Published

      Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012)

      Larsen, B. (ed.), Lioma, Christina (ed.) & De Vries, A. (ed.), 2012, Proceedings of the ECIR 2012 Workshop on Task-Based and Aggregated Search (TBAS2012). CEUR, 44 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    49. Published

      Preliminary study of technical terminology for the retrieval of scientific book metadata records

      Larsen, B., Lioma, Christina, Frommholz, I. & Schütze, H., 2012, Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval. Association for Computing Machinery, p. 1131-1132 2 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    50. Published

      On the need for and provision of an 'IDEAL' scholarly information retrieval test collection

      Larsen, B. & Lioma, Christina, 2016, Proceedings of the Third Workshop on Bibliometric-enhanced Information Retrieval (BIR 2016), Padova, Italy, March 20, 2016. Mayr, P., Frommholz, I. & Cabanac, G. (eds.). CEUR-WS.org, p. 73-81 9 p. (CEUR Workshop Proceedings, Vol. 1567).

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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