Báo cáo khoa học: "An Entity-Level Approach to Information Extraction" pot

... Asher, 1993; Knott and Sanders, 1998) are not easier to apply either because they assume the ability to automatically derive, in addition to the semantics of the text spans, the intentions and illocutions ... “negative polarity” while others about “contrast”. Some theories refer to “causes”, some to “potential causes”, and some to “explanations”. But ultimately, all these theories...

Ngày tải lên: 20/02/2014, 21:20

... refers to the parent node and t to the node to which the schema is attached. The final phase of INKA interprets the f-structures to produce Pmlog clauses. All of the information required to produce ... instruction to start using INGLISH. Ini- tially there is a preference to tt~ the mouse to explore the cov- erage and then to begin to incorporate some typing. We have...

Ngày tải lên: 21/02/2014, 20:20

... first sentence, with attaches to the VP since Mary is using a fork to eat her salad. In sentence 2, with attaches to the NP since it is the salad that contains croutons. Formally, prepositional ... unsupervised corpus-based approach to prepositional phrase attachment that outperforms previous unsupervised techniques and approaches the performance of supervised methods. Unlike previo...

Ngày tải lên: 08/03/2014, 05:20

... 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 and Satta, ... inference rules. However, in order to de- fine such a formalism we have to tackle some issues specific to dependency parsers: • Traditional parsing schemata are used to de- fine gram...

Ngày tải lên: 08/03/2014, 01:20

... second story to be interwoven with those of the first, according to the rules identified in the original study. The Story Structure Rules use these features to generate complex stories to the ... here (see Pemberton, 1984). In many stories, the order of elements as they are presented to the reader corresponds exactly to that of the story line, i.e. discourse and story lin...

Ngày tải lên: 09/03/2014, 01:20

... assigns message- level event structures to newswire texts. Although the need to recognise events has been widely acknowledged, most approaches to information extraction (IE) perform this ... issues to emerge from recent evaluations of information extraction systems (Sundheim, 1992) is the importance of discourse processing (Iwafiska et al., 1991) and, in particular, the abil...

Ngày tải lên: 08/03/2014, 07:20

... caerulein bind to CCK receptors [42]. There are two types of CCK receptor, CCK 1 and CCK 2 , differing in anatomical locations and actions [43]. The sequences of the CCK receptors are known [44] ... found CCK-8 to be more potent than in the current study, the cells were exposed to CCK agonists for 72 h compared to 24 h in this study). CCK-8-NS produced proliferation, but was less pote...

Ngày tải lên: 19/02/2014, 16:20

... too inefficient to be applied to large dataset and real time purpose. In this paper, we propose an approximate method to analogy polynomial kernel with efficient data mining approaches. To ... polynomial kernel backs-off to linear kernel. Although the effectiveness of polynomial kernel, it can not be shown to linearly combine all support vectors into one weight vector where...

Ngày tải lên: 20/02/2014, 12:20

... 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 ... goal rule DG-Obtaln-Info to deter- mine if the elliptical fragment is being used to accomplish the discourse goal of seeking information in order to construct an answer to the...

Ngày tải lên: 21/02/2014, 20:20