Báo cáo khoa học: "A LAYERED APPROACH TO NLP-BASED RETRIEVAL" potx

... 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

... 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 post-editors. ~brk is ... programs was devised to automatically produce a single level of grammatical description with one word tag representing the word class or part of speech of each word token in the c...

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

... 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 syntactic and semantic relations. Salton ... weighted average of two “parent” vectors according to (Vignaux and Michalewicz, 1991). Formally, a new vector v will be created from two vectors v 1 and v 2 accordin...

Ngày tải lên: 07/03/2014, 22:20

... symptoms are Int. J. Med. Sci. 2006, 3 64 reported to affect the quality of life which in turn can be improved after treatment [13,14]. Symptoms in HCV infection do not appear to be linked to ... routine laboratory studies should be obtained as well to monitor for signs of adverse effects due to the drugs. Repeat HVC viral load should be repeated at week 12 of treatment to...

Ngày tải lên: 02/11/2012, 09:51

... sensitive to LAM treatment [16]. 4. Indications of HBV Treatment Historically, levels of HBV DNA and ALT, and histological activity of liver biopsy have been used as the three main factors to determine ... practical clinical approach to managing CHB. Highly sensitive PCR-based quantitation of HBV DNA makes it possible to precisely determine pre-treatment HBV load and monitor H...

Ngày tải lên: 03/11/2012, 09:41

... computationally infeasi- ble to directly use the feature vector ()T φ . To solve this computational issue, Collins and Duffy (2001) proposed the following parse tree kernel to calculate the dot product ... by layer in a top- down manner. Culotta and Sorensen (2004) gen- eralized it to estimate similarity between depend- ency trees. Their tree kernels require the match- able nodes t...

Ngày tải lên: 20/02/2014, 12:20

... vectors) their algorithm al- lows a word to belong to more than one cluster, each cluster a word is assigned to can be consid- ered as one of its senses. A problem that we see with this approach ... clustering of global co-occurrence vectors. To see this, let us bring our attention to the various species of ani- mals that are among the top 30 associations to poach. Some of...

Ngày tải lên: 20/02/2014, 16:20