Báo cáo khoa học: "A STOCHASTIC APPROACH TO SENTENCE PARSING" pptx

... A STOCHASTIC APPROACH TO SENTENCE PARSING Tetsunosuke FuJisaki Science Institute, IBM Japan, Ltd. No. 36 Kowa Building 5-19 Sanbancho,Chiyoda-ku Tokyo 102, Japan ABSTRACT ... constraints are known to be indispensable and are recommended to be represented in some formal way and to be referred to during or after the syntac- tic analysis process. However, to represent...

Ngày tải lên: 08/03/2014, 18:20

... acts as a “dummy head” for the sentence. In order for the algorithm to parse sen- tences correctly, we will need to define D-rules to allow w 0 to be linked to the real sentence head. 3.3 ES99 (Eisner ... structure of a sentence as expressed by a set of directed links (dependencies) between words. This is an alterna- tive to constituency parsing, which tries to find a di- vis...

Ngày tải lên: 08/03/2014, 01:20

... seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. 4. The proper names tagged ... 86.7% To benchmark the quality of the automatically constructed corpus (Table 2), the testing corpus is first processed by our parser and then saved into the repository. The reposi...

Ngày tải lên: 20/02/2014, 16:20

... such ques- tions implicitly by proceding to answer the ques- tion or to seek information relevant to formulat- ing an answer. However IS may refuse to accept the question posed by IP because ... pushed onto the discourse stack. [SP2]When IS poses a question to IP, Expand- Question is pushed onto the discourse stack. Once IP begins answering the question, the stack is popped...

Ngày tải lên: 21/02/2014, 20:20

... SThe ruJels may need to be used tecureively to get to a constanL aEvery expression in WML has a type. 4.1.¢ Knowledge Acquisition We have developed two complementary tools to greatly increase ... has a role from A to B (or from B to A) can be referred to by a definite NP. This has not yet been integrated into the Janus model of reference processing [4]. 4.3.2. Metonymy...

Ngày tải lên: 21/02/2014, 20:20

... post-editors. ~brk is now in progress to devise a suite of programs to provide a constituent analysis of the sentences in the corpus. So far, sample sentences have been automatically assigned phrase ... subsequent modification to the system resulted in over 96 per cent of word tags being correctly assigned automatically. The remaining 3 to ~ per cent were corrected by human p...

Ngày tải lên: 22/02/2014, 09:20

... these cytochromes have been proposed to be ter- minal Fe(III) and Mn(IV) reductases, although their role in the reduction of other metals is less well understood. To obtain more insight into this, we ... Journal compilation ª 2007 FEBS A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB J...

Ngày tải lên: 07/03/2014, 09:20

... 1997; Satoshi et al., 2001) and length-based (Satoshi et al., 2001). Considered the first work on sentence scoring for automated text summarization, Luhn (1958) based the significance factor of a sentence ... op- eration. 3 http://www.extractor.com/ 928 Today, graph-based text representations are be- coming increasingly popular, due to their abil- ity to enrich the document model with s...

Ngày tải lên: 07/03/2014, 22:20

... similar to ours in its definition by rhetorical context. Their method goes beyond string-based matching: In order for a sentence to qualify, the right set of concepts must be present in a sentence, ... in bootstrapping to evaluate the quality of the pat- terns automatically. IE and QA approaches, due to uniqueness assumptions of the real-world rela- tions that these methods search f...

Ngày tải lên: 08/03/2014, 02:21

... presented here aims to address this problem. Our model provides an enabling foun- dation toward a linguistic approach by first shift- ing to a two-dimensional CFG framework. This permits us to construct ... 1078 Vancouver Computer 2002 1130 Victoria Phone 2001 818 Victoria Phone 2002 894 Victoria Computer 2001 968 Victoria Computer 2002 1024 Location Type Time Vancouver Victoria Phone...

Ngày tải lên: 08/03/2014, 02:21