Tài liệu Báo cáo khoa học: "Kinds of Features for Chinese Opinionated Information Retrieval" pdf

... of features for retrieval of Chinese opinionated information. As stated earlier (see Section 1), we assume that the task of retrieval of opinionated texts (OIR) can be regarded as a subtask of ... the found set of features for text classification (index- ing) for an OIR query of the first level (finds opin- ionated information) and for an OIR query of the sec...

Ngày tải lên: 20/02/2014, 12:20

... OF TEXTS FOR INFORMATION RETRIEVAL N.J. Belkin, B.G. Michell, and D.G. Kuehner University of Western Ontario The representation of whole texts is a major concern of the field known as information ... occurrence analysis of text [i] (figure I). POSITION RANK (r) Adjacent 1 Same Sentence 2 Adjacent Sentences 3 FOR EACH CO-OCCURRENCE OF EACH WORD PAIR (Wl,W 2) 1 SC...

Ngày tải lên: 21/02/2014, 20:20

... non-local syntactic features used in Huang (2008). Our web- scale features reduce errors for a range of attachment types. Finally, we present an analysis of influential features. We not only reproduce features ... linear in the size of the n-gram corpus, but essentially constant in the num- ber of queries. Of course, if the number of queries is expected to be small, such a...

Ngày tải lên: 20/02/2014, 04:20

... were key pieces of information used to differentiate between various meanings of an ambiguous surface form. Unlike in this paper, Cucerzan did not make use of the Category infor- mation to ... article, if available, for additional information. • A second pass checks for multi-word phrases that exist as titles of Wikipedia articles. • We look for certain types of pe...

Ngày tải lên: 20/02/2014, 09:20

... or via truncation, the for- mation of Chinese abbreviations is much more com- plex. Figure 1 shows two examples for Chinese ab- breviations. Clearly, an abbreviated form of a word can be obtained ... Performance 4.5.1 Precision on Translations of Chinese Full-form Phrases For the relations manually tagged as correct in Section 4.4, we manually look at the top-5 transla- tion...

Ngày tải lên: 20/02/2014, 09:20

... characteristics of the Albers–Post scheme The number of peaks (i.e. the number of up–down conformational changes of SERCA) per unit time was dependent on the ATP concentration (Fig. 1B,C). The number of peaks ... shorter conforma- tion fi ATP hydrolysis-mediated elevated conforma- tions fi Ca 2+ -binding shorter conformation), and the number of peaks must correspond to the velocity...

Ngày tải lên: 14/02/2014, 14:20

... comprised: 94 °C for 30 s, 55 °C for 30 s, 72 °C for 60 s, 30 cycles for CD163; 94 ° C for 30 s, 57 °C for 30 s, 72 °C for 60 s, 30 cycles for CYP1A1; 94 °C for KCs in drug-metabolizing dysfunction ... experimental groups For depletion of KCs in vivo, 7.5 mgÆkg )1 of GdCl 3 was injected via the tail vein at 48 and 24 h before the perfor- mance of CLP or sham operatio...

Ngày tải lên: 14/02/2014, 18:20

... solvent. There- fore, the solvation of backbone atoms is much larger for a conformers than for b conformers. Interaction with solvent thus compensates for the destabilization of the a conformation ... unfold- ing of the a-helix from the body of the b-sheet (Fig. 2C). Possible role of domain-swapping in the ‘off-pathway folding’ (OFF) model The OFF model for amyloid formation...

Ngày tải lên: 14/02/2014, 18:20

... concentrations of MPP + , the rate of nucle- ation (formation of toxic protofibrils) is delayed but once the nucleus is formed, the rate of fibrillation is accelerated. At a higher concentration of the ... the conversion of MPTP to MPP + is not required for aggregation of a-synuclein. MPP + was found to accelerate the rate of a-synuclein aggregation even in the absence of co...

Ngày tải lên: 14/02/2014, 19:20

... inner mitochondrial membrane for the development of pro- tonmotive force. It is therefore not surprising that a loss of mitochondrial membrane integrity is energeti- cally deleterious for cells. For reasons that ... afforded by the more than two-fold larger FCC of ANT (0.63 for WT, 0.66 for CYPD KO) than that of the F 0 F 1 -ATP synthase (0.29 for WT, 0.3 for CYPD KO) f...

Ngày tải lên: 14/02/2014, 19:20