Báo cáo khoa học: "Text Analysis for Automatic Image Annotation" doc

... 2007. c 2007 Association for Computational Linguistics Text Analysis for Automatic Image Annotation Koen Deschacht and Marie-Francine Moens Interdisciplinary Centre for Law & IT Department ... the best of the 4 models for entity annotation which have been evaluated. 8 Related Research Using text that accompanies the image for annotat- ing images and for training imag...

Ngày tải lên: 23/03/2014, 18:20

... initially to be uniform 2. for several iterations do: a. set up a count( , ) table with zero entries b. for = 1 to Q[ ,1] = b( boundary) c. for = 2 to for = 1 to Q[ , ] = 0 for = 1 to Q[ , ] += ... 1 to Q[ , ] += Q[ , ] b( ) s( ) d. for = 1 to R[ , ] = b(boundary ) e. for = to 1 for = 1 to R[ , ] = 0 for = 1 to R[ , ] += R[ , ] b( ) s( ) f. for = 1 to for = 1 to count( ,...

Ngày tải lên: 08/03/2014, 02:21

... 1024–1031, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Topic Analysis for Psychiatric Document Retrieval Liang-Chih Yu* ‡ , Chung-Hsien Wu*, Chin-Yew ... relevant documents. This work proposes the use of high-level topic information ex- tracted from consultation documents to im- prove the precision of retrieval results. The topic information...

Ngày tải lên: 23/03/2014, 18:20

... single reference for that word. 3 As a guide to the eye, we have underlined the important words for computing modified precision. Modified n-gram precision is computed similarly for any n: all candidate ... translate than others. To account for the intrin- sic difference between judges and the sentences, we compared each judge’s rating for a sentence across systems. We performed four...

Ngày tải lên: 23/03/2014, 20:20

... 100 0 100 200 300 400 500 600 700 800 900 1000 Web Retrieval Performance For QA document rank # questions Correct Doc Density First Correct Doc Figure 1: Web retrieval: relevant document density and rank of first relevant document. In order ... the density of documents contain- ing a correct answer, as well as the rank of the first document containing a correct answer. The sim- ple word q...

Ngày tải lên: 31/03/2014, 03:20

... 2009. c 2009 Association for Computational Linguistics EM Works for Pronoun Anaphora Resolution Eugene Charniak and Micha Elsner Brown Laboratory for Linguistic Information Processing (BLLIP) Brown ... 1998). The data annotated for the Ge research is used here for test- ing and development data. Also, there are many overlaps between their formulation of the problem and ours. For...

Ngày tải lên: 22/02/2014, 02:20

... for the experiments reported here is the same as the one used for other experiments reported in this paper. The results in Table 3 illustrate how the language model performs reasonably well for ... search- ing for the optimal solution among all possible permu- tations computationally intractable. Therefore, SMT decoders typically limit the number of permutations considered for effici...

Ngày tải lên: 08/03/2014, 02:21

... Heidorn for making available the PLNLP parsing system for use at Cornell University. 204 in Fig. 2, and the output produced by the syntactic analysis program for sentence 2 of the document ... in a given document, or docu- ment section, known as the term fre- quency (tf) The number of documents, or docu- ment sections, in which a given con- struct occurs, known as the docume...

Ngày tải lên: 08/03/2014, 18:20

... toolchain for a document arises in three sit- uations: a new BOW for that document is avail- able; a new, improved version of one of the com- ponents is available; or reprocessing is forced by a ... web interface, displaying a tokenised document. ing daemon’, is responsible for calling make for the right document at the right time. It checks the database for new BOWs or manual repro...

Ngày tải lên: 17/03/2014, 22:20

... such a grammar for the analysis of spoken language even if complex syn- tax does not occur. For such sentences, robust parsing techniques are necessary to extract a maximum of informa- tion ... elementary trees (for example for unexpected ad- verbs which can modify predicative nouns) and a notation enrichment for the possible ellipsis occur- rences (Lopez, 1998a). The LTAG g...

Ngày tải lên: 17/03/2014, 22:20