Báo cáo khoa học: " Paraphrase Generation and Information Retrieval from Stored Text" pdf

... CULICOVER [Mechanical Translation and Computational Linguistics, vol.11, nos.1 and 2, March and June 1968] Paraphrase Generation and Information Retrieval from Stored Text by P. W. Culicover, ... state a Condition (x) such PARAPHRASE GENERATION AND INFORMATION RETRIEVAL 81 that, if sentences A and B meet Condition (x), the sen- tences are "morphological paraphrases of type (x)" ... erating paraphrases. Part 3 is concerned with the general problem of retrieval from text and discusses and evalu- ates various logical possibilities in this direction. The uses of paraphrase...

Tài liệu Báo cáo khoa học: "Specifying Viewpoint and Information Need with Affective Metaphors" doc

... stereotypical idea. From this graph we can estimate positive and negative valence scores for each property and behavior, and default averages for the stereotypes that exhibit them. Similes and stereotypes ... that are needed for such a system, and demonstrate how they can be acquired from corpora and the web. 1 Introduction Metaphor is perhaps the most flexible and adaptive tool in the human communication ... the same affective viewpoint, and to understand the different guises these metaphors might assume in a text. IR extends the reach of its retrieval efforts by expanding the query it is given,...

Báo cáo khoa học: "Automatic Generation of Information-seeking Questions Using Concept Clusters" ppt

... Conference Short Papers, pages 93–96,Suntec, Singapore, 4 August 2009.c2009 ACL and AFNLPAutomatic Generation of Information- seeking Questions Using ConceptClustersShuguang LiDepartment of ... empirical results on TREC col-lections and our ambiguous question col-lection shows that this approach can besuccessfully employed to handle ambigu-ous and list questions.1 IntroductionQuestion ... for extracting and generating the an-swer is either implicit or not present in the ques-tion. In such cases, interactive dialogue is neededto clarify the information needs and reformulatethe...

Tài liệu Báo cáo khoa học: Receptor association and tyrosine phosphorylation of S6 kinases pdf

... UK). LY294002 and rapamycin were from Calbiochem (Nottingham, UK),genistein from Oxford Biomedical Research (Oxford, MI,USA), PP1 from Biomol (Exeter, UK), SU6656 and phal-loidin from Sigma.Construction ... 236) and anti-src IgG were from Upstate (LakePlacid, NY, USA). Phosphospeciﬁc antibody againstp70S6Kinase (pT389) was purchased from Cell Signaling(Danvers, MA, USA). Anti-ﬂag (M2) IgG and ... four dis-tinct bands on a SDS ⁄ PAGE gel due to multiple phos-phorylation. The tyrosine phosphorylated bands ofS6K overlap with two of the activated and slowermigrating bands.We have shown...

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... probabilisticmodel for information retrieval and is one of themost popular and effective algorithms used in in-formation retrieval. For ease of reference, we in-corporate the BM25 tf and idf factors ... paper, we examine whether term weight-ing functions adopted from Information Retrieval (IR) based on the standard tf.idf formula and adapted to the particular setting of sentiment anal-ysis ... Salton and Chris Buckley. 1987. Term weight-ing approaches in automatic text retrieval. Technicalreport, Ithaca, NY, USA.Gerard Salton and Michael J. McGill. 1986. Intro-duction to Modern Information...

Tài liệu Báo cáo khoa học: "The Structure and Process of Talking About Doing" pdf

... The Structure and Process of Talking About Doing James A. Levln and Edwin L. Hutchins Center for Human Information Processing University of Callfornia, ... different conceptual organizations of the problem, including org•nlzatlons that vary from abstract to concrete and from perception oriented to action oriented. JUSTZrZCATZON~~ There •re multi-utterance ... misslcnary, is outnumbered and he will be eaten. Zt % put on this is all my oonbinatioa• and permutation• 2t Z put ton mission•flea on, Z wan two cannibal• on the boat and send them back, then...

Tài liệu Báo cáo khoa học: "Learning Parse and Translation Decisions From Examples With Rich Context" pdf

... with syntactic and semantic roles, and form restric- 1The lexicon provides part-of-speech information and links words to concepts, as used in the KB (see next section). Additional information ... phrase-structure and case-frame tree, powerful enough to be fed into a transfer and a generation module to complete the full process of machine translation. Balanced by rich context and some background ... a parse stack and an input list. The parse stack and the input list contain trees of frames of words or phrases. Core slots of frames are surface and lexi- cal form, syntactic and semantic...

Báo cáo khoa học: "Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm" doc

... 11-20. F. Song and W. B. Croft, "A general language model for information retrieval, " 1999, pp. 316-321. G. Salton and M. J. McGill, Introduction to Modern Information Retrieval: McGraw-Hill, ... into Information Retrieval (IR). The pioneers in IR developed two models for ranking: the vector space model (G. Salton and M. J. McGill, 1986) and the probabilistic model (S. E. Robertson and ... parameters will be used for information retrieval. The detail im-plementation information can be found in (C. D. Manning and H. Schutze, 1999), which introduce HMM and the training procedure...

Báo cáo khoa học: "The Role of Information Retrieval in Answering Complex Questions" ppt

... approximately one million news ar-ticles from the Associated Press, the New YorkTimes, and the Xinhua News Agency.3 Document Retrieval Since information retrieval systems supply the ini-tial ... arose from therecognition that the document does not occupy aprivileged position in the space of information ob-jects as the most ideal unit of retrieval. Indeed, forcertain types of information ... extract information nuggets from multiple documents (just like deﬁnition/otherquestions), relationship questions demand a differ-ent approach (see Section 2). This paper exploresthe role of information...

Báo cáo khoa học: "A GRAMMAR AND A LEXICON FOR A TEXT-PRODUCTION SYSTEM" pptx

... A GRAMMAR AND A LEXICON FOR A TEXT-PRODUCTION SYSTEM Christian M.I.M. Matthiessen USC /Information Sciences Institute ABSTRACT In a text-produqtion system high and special demands are placed ... grammar and the lexicon. This paper will view these comDonents in such a system (overview in section 1). First, the subcomponente dealing with semantic information and with syntactic information ... implemented, refined and revised, and the continuous lines represent components whose design ill being developed within the project. The box labeled syntax stands for syntactic information, both...

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