Báo cáo khoa học: "Extracting Key Semantic Terms from Chinese Speech Query for Web Searches" ppt

... Extracting Key Semantic Terms from Chinese Speech Query for Web Searches  GangWANG  NationalUniversityof Singapore wanggang_sh@hotmail.com   Tat-SengCHUA  NationalUniversityofSinga- pore chuats@comp.nus.edu.sg  Yong-ChengWANG  ShanghaiJiaoTongUniver- sity,China,200030 ycwang@mail.sjtu.edu.cn Abstract This ... re- searchisindevisingadivide-and-conquerst...

Ngày tải lên: 31/03/2014, 03:20

... ques- tion terms “mosquito” (for question 2) and “form” (for question 3), but only their inflected forms “mosquitoes” and “formed”. 6 Conclusion and Future Work We have presented three datasets for training ... therefore con- sidered the first paragraph in articles as a sur- rogate for glosses. Given a list of 86,584 seed lexemes extracted from WordNet, we collected the glosses for...

Ngày tải lên: 20/02/2014, 07:20

... in- dicative the overall set is. Therefore, we experi- mented with filtering out sets which had a negligible information gain. Information gain is an information theoretic concept measuring ... recipients. From this information, we determined the author-recipient relationship by applying general rules about the structure of a cor- porate hierarchy (an email from an Employee to a CEO,...

Ngày tải lên: 07/03/2014, 22:20

... which may include information that is not directly referred by the title of the article. For instance, consider *Interstate 80 ⇒ Califor- nia from “Interstate 80 runs from California to New Jersey”. ... largely complemen- tary information. 1 Introduction A most common need in applied semantic infer- ence is to infer the meaning of a target term from other terms in a text. For ex...

Ngày tải lên: 08/03/2014, 00:20

... derived from the MRD, and second, following a descriptive approach, we collect, for every semantic primitive placed in the LKB, its subtaxonomies. Finally, those subtaxonomies selected for a semantic ... conceptual distance formula; second, we collect salient words for each semantic file; and third, we enrich each DGILE dictionary sense with a semantic tag collecting ev...

Ngày tải lên: 17/03/2014, 07:20

... 370,013 terms are not included in the EDR bilingual dic- tionary. For example, ’ エンデバー (Endeavour)’ which is a key term for the topic ‘Shuttle Endeav- our mission for space station’ from the ... of clust ers k for the k-means algorithm is not given beforehand. We thus use the Bayesian Information Criterion (BIC) as the splitting crite- rion, and select the proper number fo...

Ngày tải lên: 17/03/2014, 04:20

... of the Association for Computational Lin- guistics, p. 169-176, 18-21 June, Berkley, Califor- nia. Déjean H. 1998. Morphemes as Necessary Concept for Structures Discovery from Untagged Corpora. ... of the terms is greater than an empirical threshold function. This threshold is proportional to the inverse term length since there are fewer com- plex repeated terms than simple ter...

Ngày tải lên: 23/03/2014, 18:20

... (residue S16±residue K136) with a rmsd for C a of 0.62 A Ê for the molecule A±molecule B pair; 0.65 A Ê for the SAKSTAR±mole- cule A pair; and 1.49 A Ê for the SAKSTAR±molecule B pair. Inspection ... highly puri®ed SAK could form dimers in solution. SAK dimer model as suggested by the crystal structure Because there is strong evidence of dimer formation in solution from various stud...

Ngày tải lên: 23/03/2014, 21:21

... these studies stems from the fact that in mammals three genes encode VDAC iso- forms (for a review of the genetics of VDAC see ref. 148) and each VDAC isoform is able to form channels when incorporated ... only a tool for PTP detection. Formation of cyclic nucleo- tides (such as cADP ribose) from NAD + may further increase the probability of PTP opening through the release of Ca 2+ fr...

Ngày tải lên: 30/03/2014, 11:20

... for example, the specific activity of galactose mutarotase from Lactococcus lactis, which is very similar to glucose mutarotase in terms of substrate specificity, is only 134 UÆper mg protein for ... molecular mass markers (for SDS/PAGE and HPLC), all sugars and their derivatives were from Sigma. 5,5¢-dithiobis-(2-nitrobenzoic acid) was from Pierce, and diethylpyrocarbonate was fr...

Ngày tải lên: 30/03/2014, 13:20