Báo cáo khoa học: "Optimal Multi-Paragraph Text Segmentation by Dynamic Programming" pdf

... Optimal Multi-Paragraph Text Segmentation by Dynamic Programming Oskari Heinonen University of Helsinki, Department of Computer ... of successive text con- stituents, e.g., paragraphs. Methods for deciding the locations of fragment boundaries are, however, scarce. We propose a fragmentation method based on dynamic programming. ... fragment size is of importance. 1 Introd...

Ngày tải lên: 31/03/2014, 04:20

... McClintock PVE (2000) Changes in the dynamical behavior of nonlinear systems induced by noise. Phys Report 323, 1–80. 3 Longtin A & L’Heureux I (2001) Dynamical effects of noise on nonlinear ... such as seen in Fig. 6 dominate the dynamics rather than escape events. The amplitudes, being dicta- ted by the sequence of random fluctuations experi- enced by the system, vary quite a bit f...

Ngày tải lên: 19/02/2014, 07:20

... problem by modeling segmentation as character classification (Xue, 2003; Gao et al., 2004). This approach observes that by classifying characters as word-initial, word-final, penultimate, etc., word segmentation ... de- scribed in (Chen and Liu, 1992) and still adopted in many recent works, considers text segmentation as a 69 tokenization. Segmentation is typically divided into tw...

Ngày tải lên: 20/02/2014, 12:20

... accuracy of text categoriza- tion. For the Na¨ıve Bayes classifier this increase is significant. 1 Motivation In the process of automatic classifying documents into several predefined classes – text categorization (Sebastiani, ... – text documents are usually seen as sets or bags of all the words that have appeared in a document, maybe after removing words in a stop-list. In this paper we...

Ngày tải lên: 20/02/2014, 16:20

... same ob- ject must respect its position by signing the sign at the same location or by anaphoric pointing at that location. This form of agreement is achieved by in- ... phonetic descriptions, as illustrated in Figure 1. 3.1 Syntactic Parsing English text (Figure 2 top left) is parsed by the Carnegie Mellon University (CMU) link grammar parser (Sleator and Temperley, ... English t...

Ngày tải lên: 20/02/2014, 16:20

... on the context in which a word is used, each definition, i.e. each semantic representation, must include slots to be filled b~ that context. The slots will pro- vide a unique context for each ... initions of a word and thereby to create a net which will be capable of discriminating among all definitions of a word. The following requirements must be satisfied by such a parser and i...

Ngày tải lên: 21/02/2014, 20:20

... entailment graph. 2.2 Entailment Graph Recognizing Textual Entailment (RTE) is the task of deciding, given two text fragments, whether the meaning of one text can be inferred from another (Dagan et ... usually produced by an extraction method, such as TextRunner (Banko et al., 2007) or ReVerb (Fader et al., 2011). In order to support the exploration process, the documents are indexed b...

Ngày tải lên: 07/03/2014, 18:20

... discovery of <NAME> by <ANSWER>. 0.95 <NAME> was discovered by <ANSWER> 0.91 of <ANSWER> ' s <NAME> 0.9 <NAME> was discovered by <ANSWER> ... words “Mozart” and “1756”. 8. Replace the word for the question term by the tag “<NAME>” and the word for the answer term by the term “<ANSWER>”. This procedure i...

Ngày tải lên: 08/03/2014, 07:20

... of human segmentation of our corpus, where speaker intention is the segmentation criterion. We then use the subjects' segmentations to evaluate the corre- lation of discourse segmentation ... perform discourse segmentation using speaker intention as a criterion. We use the segmentations produced by our subjects to quantify and evaluate the correlation of discourse segmen...

Ngày tải lên: 08/03/2014, 07:20

... combination of text processing with interactive editing. We first used straight text processing to identify synonym references in definitions and reduce them to triples. Our next essay in the text ... others being nouns, adjectives, and Iransitive verbs) with 8,883 texts. Virtually all verb definition texts begin with to followed by a head verb, or a set of conjoined head ver...

Ngày tải lên: 08/03/2014, 18:20