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 "morph...

Ngày tải lên: 16/03/2014, 19:20

... 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 a...

Ngày tải lên: 19/02/2014, 20:20

... Conference Short Papers, pages 93–96, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Automatic Generation of Information- seeking Questions Using Concept Clusters Shuguang Li Department of ... empirical results on TREC col- lections and our ambiguous question col- lection shows that this approach can be successfully employed to handle ambigu- ous and list questions. 1 Introd...

Ngày tải lên: 23/03/2014, 17:20

... 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 (Lake Placid, NY, USA). Phosphospecific antibody against p70S6Kinase (pT389) was purchased from Cell Signaling (Danvers, MA, US...

Ngày tải lên: 19/02/2014, 07:20

... probabilistic model for information retrieval and is one of the most 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 o...

Ngày tải lên: 20/02/2014, 04:20

... 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 ... misslcna...

Ngày tải lên: 21/02/2014, 20:20

... 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 co...

Ngày tải lên: 22/02/2014, 03:20

... 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 probabilisti...

Ngày tải lên: 08/03/2014, 01:20

... approximately one million news ar- ticles from the Associated Press, the New York Times, and the Xinhua News Agency. 3 Document Retrieval Since information retrieval systems supply the ini- tial ... arose from the recognition that the document does not occupy a privileged position in the space of information ob- jects as the most ideal unit of retrieval. Indeed, for certain typ...

Ngày tải lên: 08/03/2014, 02:21

... 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 syntacti...

Ngày tải lên: 17/03/2014, 19:20