Báo cáo khoa học: "Automated Whole Sentence Grammar Correction Using a Noisy Channel Model" pptx

... erroneous 0 1 a: a/0.6 2 an:an/0.4 3 cat:cat/1 4 ear:ear/1 5 ε:ε/1 ε:ε/1 0 a: a/0.95[0.95,0] a: an/0.05[0,0.05] an:an/1 cat:cat/1 ear:ear/1 0 1 a: a/0.57[0.57,0] a: an/0.03[0,0.03] 2 an:an/0.4 3 cat:cat/1 4 ear:ear/1 5 ε:ε/1 ε:ε/1 Figure ... task, where we are trying to ‘translate’ a sentence from an ‘incorrect grammar language to a ‘correct grammar language. Under this idea, the...

Ngày tải lên: 23/03/2014, 16:20

... appear for all relations. φ D captures patterns that are spe- cific about a certain entity pair, but which are not generalizable across all pairs with the same relation. Finally φ A contains the patterns ... that are expressing the relation and those that are ambiguous and can be applied across relations. In this way, high-precision extraction patterns can be learned without the need of an...

Ngày tải lên: 30/03/2014, 17:20

... discarded, leaving a set of 202 words (the “gold standard”) on which at least 3 of the 4 annotators agreed. The best agreement between the gold standard and a human annotator was 0.87 kappa, ... psycholinguistic studies of homographs (Twilley et al., 1994; Azuma, 1996) or on the Aca- demic Word List (Coxhead, 2000). Four annotators at, the Qualitative Data Analysis Program at the U...

Ngày tải lên: 31/03/2014, 00:20

... average probability decrease was greater in garden-path sentences compared to their unam- biguous control sentences. This indicates that garden-path sentences are more difficult than un- ambiguous ... the human sentence processing mechanism (HSPM). Prima facie it seems unlikely that such a tagger will be adequate, because almost all previous researchers have assumed, following standard lin...

Ngày tải lên: 17/03/2014, 04:20

... grammar coverage, i.e. the fact that not all sentences receive an analysis, is tack- led in our approach by an extension of a full- fledged Lexical-Functional Grammar (LFG) and a constraint-based ... Parsing the Wall Street Journal using a Lexical-Functional Grammar and Discriminative Estimation Techniques Stefan Riezler Tracy H. King Ronald M. Kaplan Palo Alto Research Center Pa...

Ngày tải lên: 23/03/2014, 20:20

... specificity measuring. A set of journal abstracts was extracted from MEDLINE 2 database using the disease names as quires. Therefore, all the abstracts are related to some of the disease names. The ... calculated incrementally starting from head noun. In this manner, specificity value of a term is always lar- ger than that of the base (head) term. This result answers to the ass...

Ngày tải lên: 08/03/2014, 04:22

... Phrase: the advisory committee Arabic Phrase: Alljnp AlAst $ Aryp Task: stem AlAst $ Aryp Choices Score AlAst$Aryp 0.8 AlAst$Aryp 0.7 AlAst$Ary 0.6 AlAst$Aryp 0.1 . . . . . . Figure 4: Alternate ... text. 1.1 Arabic details In this paper, Arabic was the target language but the approach is applicable to any language that needs affix removal. In Arabic, unlike English, both pre- fixes and suffixes...

Ngày tải lên: 08/03/2014, 04:22

... sym- bols in treebank-derived grammars can result in ac- curate grammars. Their work triggered investiga- tions in automatic grammar refinement and state- splitting (Matsuzaki et al., 2005; Prescher, ... unlexicalized, treebank-derived gram- mars, and showed that better grammars contribute to better segmentation accuracies. Goldberg et al. (2009) showed that segmentation and parsing ac- cura...

Ngày tải lên: 17/03/2014, 00:20

... (LAS) and unlabeled attachment score (UAS).Statistical significance is checked using Dan Bikel’s random- ized parsing evaluation comparator. 4 shared task (Nivre et al., 2006b). For both languages, ... English XLE-parses. 4 Data-driven dependency parsing MaltParser (Nivre et al., 200 6a) is a language- independent system for data-driven dependency parsing which is freely available. 1 MaltP...

Ngày tải lên: 17/03/2014, 02:20

... developed such as rule-based analyzers and corpus-based analyzers that use machine-learning techniques. However, the maximum accuracy achieved by state-of-the art analyzers is almost 90% for news- paper articles; ... perfor- mance. Actually, Sasano tried to expand the fea- ture set for a Japanese dependency analyzer using SVMs in (Sasano, 2004), with a small improve- ment in accuracy. T...

Ngày tải lên: 17/03/2014, 04:20