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Mounia Lalmas

Publication record assembled from the DBLP archive of ranked conferences.

Papers indexed

140

Venues

25

Active years

1997–2026

Best venue rank

A*

Where they publish

Papers

140 indexed papers, newest first.

YearVenueTitleAuthors
2026CHIIRPulseSearch: Modeling Long- and Short-term Patterns for Personalized Music Search Suggestions.Antonios Anagnostou, Jos Luis Redondo Garca, Emelie Jin, Jonathan Warburton, Vinay Rao, Yannis Kantarelis, Daniel Lazarovski, Dani Doro, Francesco Cucari, Christine Doig Cardet, Hugues Bouchard, Dominic Child, Jonathan C. Brooks-Bartlett, Mounia Lalmas
2026WWWBuilding AI-Driven Web Experiences at Scale.Mounia Lalmas
2026WWWEvolving Notions of Success on the Web: From Retrieval to Experience.Mounia Lalmas
2026SIGIRAs It Was: Aligning LLM Search Evaluation with Historical User Preferences.Ali Vardasbi, Gustavo Penha, Enrico Palumbo, Claudia Hauff, Hugues Bouchard, Mounia Lalmas
2025CIKMLearning Optimal Personalised Reservation Prices in Impression Ad Auctions with Mixture Density Networks.Dmitrii Moor, Emma Zetterdahl, Paul van Vliet, Zhenwen Dai, Mounia Lalmas
2025KDDForTune: Running Offline Scenarios to Estimate Impact on Business Metrics.Georges Dupret, Konstantin Sozinov, Carmen Barcena Gonzalez, Ziggy Zacks, Amber Yuan, Ben Carterette, Manuel Mai, Andrey Gatash, Gwo Liang Lien, Shubham Bansal, Roberto Sanchis-Ojeda, Mounia Lalmas
2025KDDOptimising Budget Management via Primal-Dual Approximation with Constrained Polynomial Weights Update.Dmitrii Moor, Per Berglund, Hannes Karlbom, Zhenwen Dai, Kyle Kretschman, Mounia Lalmas
2025RecSysEvaluating Podcast Recommendations with Profile-Aware LLM-as-a-Judge.Francesco Fabbri, Gustavo Penha, Edoardo D'Amico, Alice Wang, Marco De Nadai, Jackie Doremus, Paul Gigioli, Andreas Damianou, Oskar Stl, Mounia Lalmas
2025RecSysGeneralized User Representations for Large-Scale Recommendations and Downstream Tasks.Ghazal Fazelnia, Sanket Gupta, Claire Keum, Mark Koh, Timothy Christopher Heath, Guillermo Carrasco Hernndez, Stephen Xie, Nandini Singh, Ian Anderson, Maya Hristakeva, Petter Pehrson Skidn, Mounia Lalmas
2025RecSysDescribe What You See with Multimodal Large Language Models to Enhance Video Recommendations.Marco De Nadai, Andreas Damianou, Mounia Lalmas
2025RecSysYou Say Search, I Say Recs: A Scalable Agentic Approach to Query Understanding and Exploratory Search at Spotify.Enrico Palumbo, Marcus Isaksson, Alexandre Tamborrino, Maria Movin, Catalin Dincu, Ali Vardasbi, Lev Nikeshkin, Oksana Gorobets, Anders Nyman, Poppy Newdick, Hugues Bouchard, Paul N. Bennett, Mounia Lalmas, Dani Doro, Christine Doig Cardet, Ziad Sultan
2025RecSysPrompt-to-Slate: Diffusion Models for Prompt-Conditioned Slate Generation.Federico Tomasi, Francesco Fabbri, Justin Carter, Elias Kalomiris, Mounia Lalmas, Zhenwen Dai
2024CIKMPODTILE: Facilitating Podcast Episode Browsing with Auto-generated Chapters.Azin Ghazimatin, Ekaterina Garmash, Gustavo Penha, Kristen Sheets, Martin Achenbach, Oguz Semerci, Remi Galvez, Marcus Tannenberg, Sahitya Mantravadi, Divya Narayanan, Ofeliya Kalaydzhyan, Douglas Cole, Ben Carterette, Ann Clifton, Paul N. Bennett, Claudia Hauff, Mounia Lalmas
2024WWWTowards Graph Foundation Models for Personalization.Andreas Damianou, Francesco Fabbri, Paul Gigioli, Marco De Nadai, Alice Wang, Enrico Palumbo, Mounia Lalmas
2024WWWPersonalized Audiobook Recommendations at Spotify Through Graph Neural Networks.Marco De Nadai, Francesco Fabbri, Paul Gigioli, Alice Wang, Ang Li, Fabrizio Silvestri, Laura Kim, Shawn Lin, Vladan Radosavljevic, Sandeep Ghael, David Nyhan, Hugues Bouchard, Mounia Lalmas, Andreas Damianou
2024WWWLong-term Off-Policy Evaluation and Learning.Yuta Saito, Himan Abdollahpouri, Jesse Anderton, Ben Carterette, Mounia Lalmas
2023CIKMExploiting Sequential Music Preferences via Optimisation-Based Sequencing.Dmitrii Moor, Yi Yuan, Rishabh Mehrotra, Zhenwen Dai, Mounia Lalmas
2023CIKMGraph Learning for Exploratory Query Suggestions in an Instant Search System.Enrico Palumbo, Andreas Damianou, Alice Wang, Alva Liu, Ghazal Fazelnia, Francesco Fabbri, Rui Ferreira, Fabrizio Silvestri, Hugues Bouchard, Claudia Hauff, Mounia Lalmas, Ben Carterette, Praveen Chandar, David Nyhan
2023KDDImpatient Bandits: Optimizing Recommendations for the Long-Term Without Delay.Thomas M. McDonald, Lucas Maystre, Mounia Lalmas, Daniel Russo, Kamil Ciosek
2023WSDMCalibrated Recommendations as a Minimum-Cost Flow Problem.Himan Abdollahpouri, Zahra Nazari, Alex Gain, Clay Gibson, Maria Dimakopoulou, Jesse Anderton, Benjamin A. Carterette, Mounia Lalmas, Tony Jebara
2022WWWMostra: A Flexible Balancing Framework to Trade-off User, Artist and Platform Objectives for Music Sequencing.Emanuele Bugliarello, Rishabh Mehrotra, James Kirk, Mounia Lalmas
2022WWWUsing Survival Models to Estimate User Engagement in Online Experiments.Praveen Chandar, Brian St. Thomas, Lucas Maystre, Vijay Pappu, Roberto Sanchis-Ojeda, Tiffany Wu, Ben Carterette, Mounia Lalmas, Tony Jebara
2022WWWChoice of Implicit Signal Matters: Accounting for User Aspirations in Podcast Recommendations.Zahra Nazari, Praveen Chandar, Ghazal Fazelnia, Catherine M. Edwards, Benjamin A. Carterette, Mounia Lalmas
2022UAIEfficient inference for dynamic topic modeling with large vocabularies.Federico Tomasi, Mounia Lalmas, Zhenwen Dai
2022WSDMVariational User Modeling with Slow and Fast Features.Ghazal Fazelnia, Eric Simon, Ian Anderson, Benjamin A. Carterette, Mounia Lalmas
2021AISTATSCollaborative Classification from Noisy Labels.Lucas Maystre, Nagarjuna Kumarappan, Judith Btepage, Mounia Lalmas
2021CIKMLeveraging Semantic Information to Facilitate the Discovery of Underserved Podcasts.Maryam Aziz, Alice Wang, Aasish Pappu, Hugues Bouchard, Yu Zhao, Benjamin A. Carterette, Mounia Lalmas
2021KDDNeural Instant Search for Music and Podcast.Helia Hashemi, Aasish Pappu, Mi Tian, Praveen Chandar, Mounia Lalmas, Benjamin A. Carterette
2021WWWWhere To Next? A Dynamic Model of User Preferences.Francesco Sanna Passino, Lucas Maystre, Dmitrii Moor, Ashton Anderson, Mounia Lalmas
2021WSDMShifting Consumption towards Diverse Content on Music Streaming Platforms.Christian Hansen, Rishabh Mehrotra, Casper Hansen, Brian Brost, Lucas Maystre, Mounia Lalmas
2020CIKMQuery Understanding for Surfacing Under-served Music Content.Federico Tomasi, Rishabh Mehrotra, Aasish Pappu, Judith Btepage, Brian Brost, Hugo Galvo, Mounia Lalmas
2020ICTIRPersonalising and Diversifying the Listening Experience.Mounia Lalmas
2020KDDTutorial on Online User Engagement: Metrics and Optimization.Liangjie Hong, Mounia Lalmas
2020KDDBandit based Optimization of Multiple Objectives on a Music Streaming Platform.Rishabh Mehrotra, Niannan Xue, Mounia Lalmas
2020RecSysContextual and Sequential User Embeddings for Large-Scale Music Recommendation.Casper Hansen, Christian Hansen, Lucas Maystre, Rishabh Mehrotra, Brian Brost, Federico Tomasi, Mounia Lalmas
2020RecSysInferring the Causal Impact of New Track Releases on Music Recommendation Platforms through Counterfactual Predictions.Rishabh Mehrotra, Prasanta Bhattacharya, Mounia Lalmas
2020WWWAlgorithmic Effects on the Diversity of Consumption on Spotify.Ashton Anderson, Lucas Maystre, Ian Anderson, Rishabh Mehrotra, Mounia Lalmas
2020WWWRepresentativeness of Abortion Legislation Debate on Twitter: A Case Study in Argentina and Chile.Eduardo Graells-Garrido, Ricardo Baeza-Yates, Mounia Lalmas
2020WWWLeveraging Behavioral Heterogeneity Across Markets for Cross-Market Training of Recommender Systems.Kevin Roitero, Ben Carterette, Rishabh Mehrotra, Mounia Lalmas
2020SIGIRIdentifying Tasks from Mobile App Usage Patterns.Yuan Tian, Ke Zhou, Mounia Lalmas, Dan Pelleg
2019WWWUncovering Bias in Ad Feedback Data Analyses & Applications✱.Marc Bron, Ke Zhou, Andy Haines, Mounia Lalmas
2019WWWDeriving User- and Content-specific Rewards for Contextual Bandits.Paolo Dragone, Rishabh Mehrotra, Mounia Lalmas
2019WWWTutorial on Online User Engagement: Metrics and Optimization.Liangjie Hong, Mounia Lalmas
2019WWWJointly Leveraging Intent and Interaction Signals to Predict User Satisfaction with Slate Recommendations.Rishabh Mehrotra, Mounia Lalmas, Doug Kenney, Thomas Lim-Meng, Golli Hashemian
2018CIKMTowards a Fair Marketplace: Counterfactual Evaluation of the trade-off between Relevance, Fairness & Satisfaction in Recommendation Systems.Rishabh Mehrotra, James McInerney, Hugues Bouchard, Mounia Lalmas, Fernando Diaz
2018WSDMTutorial on Metrics of User Engagement: Applications to News, Search and E-Commerce.Mounia Lalmas, Liangjie Hong
2017KDDInterpretable Predictions of Tree-based Ensembles via Actionable Feature Tweaking.Gabriele Tolomei, Fabrizio Silvestri, Andrew Haines, Mounia Lalmas
2017WWWFriendly, Appealing or Both?: Characterising User Experience in Sponsored Search Landing Pages.Marc Bron, Miriam Redi, Mounia Lalmas, Fabrizio Silvestri, Huw Evans, Mahlon Chute
2017WWWDescribing Patterns and Disruptions in Large Scale Mobile App Usage Data.Steven Van Canneyt, Marc Bron, Andy Haines, Mounia Lalmas
2016IUIEncouraging Diversity- and Representation-Awareness in Geographically Centralized Content.Eduardo Graells-Garrido, Mounia Lalmas, Ricardo Baeza-Yates
2016IUIData Portraits and Intermediary Topics: Encouraging Exploration of Politically Diverse Profiles.Eduardo Graells-Garrido, Mounia Lalmas, Ricardo Baeza-Yates
2016WWWImproving Post-Click User Engagement on Native Ads via Survival Analysis.Nicola Barbieri, Fabrizio Silvestri, Mounia Lalmas
2016WWWPredicting Pre-click Quality for Native Advertisements.Ke Zhou, Miriam Redi, Andrew Haines, Mounia Lalmas
2016WSDMUnderstanding User Attention and Engagement in Online News Reading.Dmitry Lagun, Mounia Lalmas
2015KDDPromoting Positive Post-Click Experience for In-Stream Yahoo Gemini Users.Mounia Lalmas, Janette Lehmann, Guy Shaked, Fabrizio Silvestri, Gabriele Tolomei
2015WWWFrom "Selena Gomez" to "Marlon Brando": Understanding Explorative Entity Search.Iris Miliaraki, Roi Blanco, Mounia Lalmas
2015SIGIRFinding Intermediary Topics Between People of Opposing Views: A Case Study.Eduardo Graells-Garrido, Mounia Lalmas, Ricardo Baeza-Yates
2014CIKMUnderstanding Within-Content Engagement through Pattern Analysis of Mouse Gestures.Ioannis Arapakis, Mounia Lalmas, George Valkanas
2014CIKMDEESSE: entity-Driven Exploratory and sErendipitous Search SystEm.Olivier Van Laere, Ilaria Bordino, Yelena Mejova, Mounia Lalmas
2014WWWComposite retrieval of heterogeneous web search.Horatiu S. Bota, Ke Zhou, Joemon M. Jose, Mounia Lalmas
2014WWWPeople of opposing views can share common interests.Eduardo Graells-Garrido, Mounia Lalmas, Daniele Quercia
2013CIKMPenguins in sweaters, or serendipitous entity search on user-generated content.Ilaria Bordino, Yelena Mejova, Mounia Lalmas
2013CIKMNetworked user engagement.Janette Lehmann, Mounia Lalmas, Ricardo Baeza-Yates, Elad Yom-Tov
2013CIKMOnline multitasking and user engagement.Janette Lehmann, Mounia Lalmas, Georges Dupret, Ricardo Baeza-Yates
2013CIKMSocial media news communities: gatekeeping, coverage, and statement bias.Diego Sez-Trumper, Carlos Castillo, Mounia Lalmas
2013CIKMOn the reliability and intuitiveness of aggregated search metrics.Ke Zhou, Mounia Lalmas, Tetsuya Sakai, Ronan Cummins, Joemon M. Jose
2013ECIRThe Impact of Temporal Intent Variability on Diversity Evaluation.Ke Zhou, Stewart Whiting, Joemon M. Jose, Mounia Lalmas
2013ICWSMTransient News Crowds in Social Media.Janette Lehmann, Carlos Castillo, Mounia Lalmas, Ethan Zuckerman
2013WWWFinding news curators in twitter.Janette Lehmann, Carlos Castillo, Mounia Lalmas, Ethan Zuckerman
2013WWWSearching for interestingness in Wikipedia and Yahoo!: answers.Yelena Mejova, Ilaria Bordino, Mounia Lalmas, Aristides Gionis
2013WWWWhich vertical search engines are relevant?Ke Zhou, Ronan Cummins, Mounia Lalmas, Joemon M. Jose
2013SIGIRWorkshop on benchmarking adaptive retrieval and recommender systems: BARS 2013.Pablo Castells, Frank Hopfgartner, Alan Said, Mounia Lalmas
2013SIGIRTemporal variance of intents in multi-faceted event-driven information needs.Stewart Whiting, Ke Zhou, Joemon M. Jose, Mounia Lalmas
2013WSDMAbsence time and user engagement: evaluating ranking functions.Georges Dupret, Mounia Lalmas
2012CHIOn saliency, affect and focused attention.Lori McCay-Peet, Mounia Lalmas, Vidhya Navalpakkam
2012CIKMUser engagement: the network effect matters!Ricardo Baeza-Yates, Mounia Lalmas
2012CIKMAutomatically embedding newsworthy links to articles.Hakan Ceylan, Ioannis Arapakis, Pinar Donmez, Mounia Lalmas
2012CIKMEvaluating reward and risk for vertical selection.Ke Zhou, Ronan Cummins, Mounia Lalmas, Joemon M. Jose
2012ECIRAssessing and Predicting Vertical Intent for Web Queries.Ke Zhou, Ronan Cummins, Martin Halvey, Mounia Lalmas, Joemon M. Jose
2012WWWThe effect of links on networked user engagement.Elad Yom-Tov, Mounia Lalmas, Georges Dupret, Ricardo Baeza-Yates, Pinar Donmez, Janette Lehmann
2012SIGIREvaluating aggregated search pages.Ke Zhou, Ronan Cummins, Mounia Lalmas, Joemon M. Jose
2011ECIRThe Limits of Retrieval Effectiveness.Ronan Cummins, Mounia Lalmas, Colm O'Riordan
2011ECIRProcessing Queries in Session in a Quantum-Inspired IR Framework.Ingo Frommholz, Benjamin Piwowarski, Mounia Lalmas, Keith van Rijsbergen
2011ECIRTowards Quantum-Based DB+IR Processing Based on the Principle of Polyrepresentation.David Zellhfer, Ingo Frommholz, Ingo Schmitt, Mounia Lalmas, Keith van Rijsbergen
2011WWWFirst international workshop on social media engagement (SoME 2011).Alejandro Jaimes, Mounia Lalmas, Yana Volkovich
2011SPIRENavigating the User Query Space.Ronan Cummins, Mounia Lalmas, Colm O'Riordan, Joemon M. Jose
2010CIKMExamining the information retrieval process from an inductive perspective.Ronan Cummins, Mounia Lalmas, Colm O'Riordan
2010CIKMWhat can quantum theory bring to information retrieval.Benjamin Piwowarski, Ingo Frommholz, Mounia Lalmas, Keith van Rijsbergen
2010CIKMFactors affecting click-through behavior in aggregated search interfaces.Shanu Sushmita, Hideo Joho, Mounia Lalmas, Robert Villa
2010ECAILearning Aggregation Functions for Expert Search.Ronan Cummins, Mounia Lalmas, Colm O'Riordan
2010ECIRFiltering Documents with Subspaces.Benjamin Piwowarski, Ingo Frommholz, Yashar Moshfeghi, Mounia Lalmas, Keith van Rijsbergen
2010SIGIRFrom federated to aggregated search.Fernando Diaz, Mounia Lalmas, Milad Shokouhi
2009ICTIRSpecificity Aboutness in XML Retrieval.Tobias Blanke, Mounia Lalmas
2009ICTIRA Quantum-Based Model for Interactive Information Retrieval.Benjamin Piwowarski, Mounia Lalmas
2009SIGIRVisualizing the problems with the INEX topics.Andrew Trotman, Maria del Rocio Gomez Crisostomo, Mounia Lalmas
2009SPIREA Task-Based Evaluation of an Aggregated Search Interface.Shanu Sushmita, Hideo Joho, Mounia Lalmas
2008CIKMStructural relevance: a common basis for the evaluation of structured document retrieval.Mir Sadek Ali, Mariano P. Consens, Gabriella Kazai, Mounia Lalmas
2008NLDBGeneration of Query-Biased Concepts Using Content and Structure for Query Reformulation.Youjin Chang, Jun Wang, Mounia Lalmas
2008SIGIRLocating relevant text within XML documents.Jaap Kamps, Marijn Koolen, Mounia Lalmas
2007ECIRUsing Topic Shifts for Focussed Access to XML Repositories.Elham Ashoori, Mounia Lalmas
2007ECIRCombining Multiple Sources of Evidence in XML Multimedia Documents: An Inference Network Incorporating Element Language Models.Zhigang Kong, Mounia Lalmas
2007ECIRFeature- and Query-Based Table of Contents Generation for XML Documents.Zoltn Szlvik, Anastasios Tombros, Mounia Lalmas
2007ECIRCombining Evidence for Relevance Criteria: A Framework and Experiments in Web Retrieval.Theodora Tsikrika, Mounia Lalmas
2007SIGIRWhere to start reading a textual XML document?Jaap Kamps, Marijn Koolen, Mounia Lalmas
2007SIGIREvaluating relevant in context: document retrieval with a twist.Jaap Kamps, Mounia Lalmas, Jovan Pehcevski
2007SIGIRBridging the digital divide: understanding information access practices in an indian village community.Mounia Lalmas, Ramnath Bhat, Maxine Frank, David M. Frohlich, Matt Jones
2007VLDBXML retrieval: db/ir in theory, web in practice.Mariano P. Consens, Ricardo A. Baeza-Yates, Mounia Lalmas, Sihem Amer-Yahia
2006CIKMInvestigating the exhaustivity dimension in content-oriented XML element retrieval evaluation.Paul Ogilvie, Mounia Lalmas
2006ECIRProgress in Information Retrieval.Mounia Lalmas, Stefan M. Rger, Theodora Tsikrika, Alexei Yavlinsky
2006SACInvestigating the use of summarisation for interactive XML retrieval.Zoltn Szlvik, Anastasios Tombros, Mounia Lalmas
2006SIGIRUser expectations from XML element retrieval.Stamatina Betsi, Mounia Lalmas, Anastasios Tombros, Theodora Tsikrika
2006SIGIRTheoretical benchmarks of XML retrieval.Tobias Blanke, Mounia Lalmas
2006SIGIRStrict and vague interpretation of XML-retrieval queries.Andrew Trotman, Mounia Lalmas
2006SIGIRWhy structural hints in queries do not help XML-retrieval.Andrew Trotman, Mounia Lalmas
2005CIKMLearning to summarise XML documents using content and structure.Massih-Reza Amini, Anastasios Tombros, Nicolas Usunier, Mounia Lalmas, Patrick Gallinari
2005ISMISModelling Good Entry Pages on the Web.Theodora Tsikrika, Mounia Lalmas
2005MMMA Metadata Model Supporting Scalable Interactive TV Services.Gwenal Durand, Gabriella Kazai, Mounia Lalmas, Uwe Rauschenbach, Patrick Wolf
2005SPIREXML Multimedia Retrieval.Zhigang Kong, Mounia Lalmas
2004CIKMProviding consistent and exhaustive relevance assessments for XML retrieval evaluation.Benjamin Piwowarski, Mounia Lalmas
2004ECIRA Study of the Assessment of Relevance for the INEX'02 Test Collection.Gabriella Kazai, Sherezad Masood, Mounia Lalmas
2004FQASModelling Vague Content and Structure Querying in XML Retrieval with a Probabilistic Object-Relational Framework.Mounia Lalmas, Thomas Rlleke
2004SIGIRThe overlap problem in content-oriented XML retrieval evaluation.Gabriella Kazai, Mounia Lalmas, Arjen P. de Vries
2003CIKMAutomatic identification of best entry points for focused structured document retrieval.Mounia Lalmas, Jane Reid
2003ECIRConstruction of a Test Collection for the Focussed Retrieval of Structured Documents.Gabriella Kazai, Mounia Lalmas, Jane Reid
2003HCIAbductive retrieval for multimedia information seeking.Mounia Lalmas, Thomas Rlleke, Ian Ruthven
2002ECIRThe Accessibility Dimension for Structured Document Retrieval.Thomas Rlleke, Mounia Lalmas, Gabriella Kazai, Ian Ruthven, Stefan Quicker
2002ECIRCombining Web Document Representations in a Bayesian Inference Network Model Using Link and Content-Based Evidence.Theodora Tsikrika, Mounia Lalmas
2002FQASA Formal Model for Data Fusion.Mounia Lalmas
2002ISMISFour-Valued Knowledge Augmentation for Representing Structured Documents.Mounia Lalmas, Thomas Rlleke
2002SIGIRVideo retrieval using an MPEG-7 based inference network.Andrew Graves, Mounia Lalmas
2002SPIREFocussed Structured Document Retrieval.Gabriella Kazai, Mounia Lalmas, Thomas Rlleke
2001CIKMMerging Techniques for Performing Data Fusion on the Web.Theodora Tsikrika, Mounia Lalmas
2001InteractHow Are Searching and Reading Intertwined during Retrieval from Hierarchically Structured Documents?Morten Hertzum, Mounia Lalmas, Erik Frkjr
2001SIGIREmpirical Investigations on Query Modification Using Abductive Explanations.Ian Ruthven, C. J. van Rijsbergen, Mounia Lalmas
2001SPIREA Model for the Representation and Focussed Retrieval of Structured Documents Based on Fuzzy Aggregation.Gabriella Kazai, Mounia Lalmas, Thomas Rlleke
2000FQASConcepts for a Graphical User Interface for Hypermedia Retrieval.Mounia Lalmas, Thomas Rlleke, Frank Turra, Norbert Fuhr
1999CIKMA Probabilistic Description-Oriented Approach for Categorizing Web Documents.Norbert Gvert, Mounia Lalmas, Norbert Fuhr
1999EJCA Framework for Investigating the Interaction in Information Retrieval.Mounia Lalmas, Ian Ruthven
1998ECIRA Dempster-Shafer Model for Document Retrieval using Noun Phrases.Marcos Theophylactou, Mounia Lalmas
1997SIGIRDempster-Shafer's Theory of Evidence Applied to Structured Documents: Modelling Uncertainty.Mounia Lalmas