Báo cáo khoa học: "Mining Parenthetical Translations from the Web by Word Alignment" potx

Báo cáo khoa học: "Mining Parenthetical Translations from the Web by Word Alignment" potx

Báo cáo khoa học: "Mining Parenthetical Translations from the Web by Word Alignment" potx

... (word or phrase) is sometimes followed by its translation in another language in a pair of parentheses. We call these parenthetical translations. The following examples are from Chinese web ... the algorithm, by using the word positions to break ties of the φ 2 scores when sorting the word pairs. 4.4 Capturing syllable-level regularities Many of the parent...
Ngày tải lên : 17/03/2014, 02:20
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Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf

Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf

... ac- quires contexts around them. The KnowItAll system (Etzioni et al., 2005) also uses hyponym patterns to extract class instances from the web and then evalu- ates them further by computing mutual ... progresses. Initially, the seed is the only trusted class member and the only vertex in the graph. The bootstrapping process begins by instan- tiating the doubly-anchore...
Ngày tải lên : 17/03/2014, 02:20
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Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx

Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx

... relations from the web. We compare our approach with hypernym ex- traction from morphological clues and from large text corpora. We show that the abun- dance of available data on the web enables obtaining ... A, B and C are siblings of each other Here, sibling refers to the relative position of the words in the hypernymy tree. Two words are sib- lings of each other if the...
Ngày tải lên : 17/03/2014, 04:20
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Báo cáo khoa học: "Learning Transliteration Lexicons from the Web" pptx

Báo cáo khoa học: "Learning Transliteration Lexicons from the Web" pptx

... pairs from the Web at the same time. Conceptually, the adaptive learning is carried out as follows. We obtain bilingual snippets from the Web by iteratively submitting queries to the Web search ... approximated by the probability mass of the competing candidates of CW ¢ , or ' (/)() CW CWCW PESCSPCW ÎW ¹ å . The higher the s is, the more probable...
Ngày tải lên : 31/03/2014, 01:20
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Tài liệu Báo cáo khoa học: "Mining User Reviews: from Specification to Summarization Xinfan Meng Key Laboratory of Computational Linguistics " doc

Tài liệu Báo cáo khoa học: "Mining User Reviews: from Specification to Summarization Xinfan Meng Key Laboratory of Computational Linguistics " doc

... hundred features. Then we r un our algorithm on the data and eval- uate the precision and recall. We also run the al- gorithms described in Hu and Liu (2004a) on the same data as the baseline. From Table ... features. There approach utilizes the associa- tion between features and opinion words to find implicit features when opinion words are present in the text. Our methods con...
Ngày tải lên : 20/02/2014, 09:20
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Báo cáo khoa học: "Mining Entity Types from Query Logs via User Intent Modeling" pdf

Báo cáo khoa học: "Mining Entity Types from Query Logs via User Intent Modeling" pdf

... model first generates the type song, then given the type it generates the entity “ymca” and the intent ‘find lyrics’. The intent is then used to generate the pre- and post-context words ∅ and “lyrics”, ... parameters. The parameter updates are obtained by computing the derivative of log P (Q) with respect to each parame- ter, and setting the resultant to 0. The update for...
Ngày tải lên : 07/03/2014, 18:20
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Tài liệu Báo cáo khoa học: An alternative transcript from the death-associated protein kinase 1 locus encoding a small protein selectively mediates membrane blebbing pdf

Tài liệu Báo cáo khoa học: An alternative transcript from the death-associated protein kinase 1 locus encoding a small protein selectively mediates membrane blebbing pdf

... supporting the existence of a protease that cleaves s-DAPK-1 protein in vivo. The reason why the cleavage band was not observed in this assay may be the rapid degradation of the purified protein from the cell ... caused by full- length DAPK-1, although the effect was weaker (Fig. 4B). Given the biological activity of s-DAPK-1 in the membrane-blebbing assay, we evaluated...
Ngày tải lên : 18/02/2014, 17:20
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Tài liệu Báo cáo khoa học: Fatty acid desaturases from the microalga Thalassiosira pseudonana pptx

Tài liệu Báo cáo khoa học: Fatty acid desaturases from the microalga Thalassiosira pseudonana pptx

... not shown). The precise regiospecificity of the activity encoded by TpdesB was further investigated by comi- gration with authentic standards for desaturated dihydroxy-LCBS. This indicated that the novel ... in the TpdesO gene. The amino acid sequence of PtDEL5 and TpDESO exhibited 63% identity, sug- gesting that TpDESO could catalyse the D 5 -desatura- tion step in the PUFA...
Ngày tải lên : 20/02/2014, 01:20
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Báo cáo khoa học: Small peptides derived from the Lys active fragment of the mung bean trypsin inhibitor are fully active against trypsin pptx

Báo cáo khoa học: Small peptides derived from the Lys active fragment of the mung bean trypsin inhibitor are fully active against trypsin pptx

... to the active core of the fragment, was synthesized. Both the recombinant and the synthesized peptides had the same inhibitory activity toward trypsin at a molar ratio of 1 : 1, implying that the ... several BBIs from other leguminous dicotyledons (Fig. 2). The MBTI gene (GeneBank accession number AY251011) was then amplified from total genomic DNA, demonstrating that there i...
Ngày tải lên : 15/03/2014, 09:20
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Báo cáo khoa học: Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations pdf

Báo cáo khoa học: Nitric oxide formation from the reaction of nitrite with carp and rabbit hemoglobin at intermediate oxygen saturations pdf

... amounts of NO from HbNO. At this time of the reaction there are no unligated ferrous hemes (deoxyHb = 0), and the off- loaded NO can only react with oxyHb or escape the system, whereby the amount ... sampled from the caudal vessels into heparinized syringes. Freshly drawn blood from rabbit (Oryctolagus cuniculus) was obtained from the Biomedical Laboratory, University of S...
Ngày tải lên : 16/03/2014, 06:20
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