• Language technologies: question answering in speech transcripts 

    Turmo Borras, Jorge; Surdeanu, Mihai; Galibert, Olivier; Rosset, Sophie (Springer-Verlag, 2009-05-31)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The Question Answering (QA) task consists of providing short, relevant answers to natural language questions. Most QA research has focused on extracting information from text sources, providing a the shortest relevant text ...
  • Projective dependency parsing with perceptron 

    Carreras Pérez, Xavier; Surdeanu, Mihai; Màrquez Villodre, Lluís (2010)
    Text en actes de congrés
    Accés obert
    We describe an online learning dependency parser for the CoNLL-X Shared Task, based on the bottom-up projective algorithm of Eisner (2000). We experiment with a large feature set that models: the tokens involved in ...
  • SVMs for the temporal expression chunking problem 

    Poveda Poveda, Jordi; Surdeanu, Mihai (2006-11)
    Report de recerca
    Accés obert
    This technical report provides a description of the Temporal Expression Chunking problem, which consists in finding the mentions of temporal expressions in free text documents, and reports on the results obtained using SVM ...
  • TALP-UPC at TREC 2005: Experiments using voting scheme among three heterogeneous QA systems 

    Ferrés Domènech, Daniel; Kanaan Izquierdo, Samir; González Pellicer, Edgar; Ageno Pulido, Alicia; Fuentes Fort, Maria; Rodríguez Hontoria, Horacio; Surdeanu, Mihai; Turmo Borras, Jorge (2005)
    Text en actes de congrés
    Accés obert
    This paper describes the experiments of the TALP-UPC group for factoid and ’other’ (definitional) questions at TREC 2005 Main Question Answering (QA)task. Our current approach for factoid questions is based on a voting ...
  • Using Evolutive Summary Counters for Efficient Cooperative Caching in Search Engines 

    Domínguez Sal, David; Aguilar Saborit, Josep; Surdeanu, Mihai; Larriba Pey, Josep (2012-04)
    Accés obert