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

... Laboratory of Computational Linguistics (Peking University) Ministry of Education, China mxf@pku.edu.cn Houfeng Wang Key Laboratory of Computational Linguistics (Peking University) Ministry of ... Proceedings of the ACL-IJCNLP 2009 Conference Short Papers, pages 177–180, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Mining User Reviews: from Specificati...

Ngày tải lên: 20/02/2014, 09:20

... phosphoinositol-3-kinase ⁄ Akt pathway and the cAMP pathway. Any phosphorylation is enough to trigger dissociation of BAD from the anti-apoptotic protein Bcl-XL, inhibiting the pro-apoptotic activity of ... cell-cycle regulation. (A) Receptor proteins. Bind- ing of a high-affinity ligand to the T-cell receptor (TCR) leads to phosphorylation of ITAM motifs at two tyrosine sites,...

Ngày tải lên: 18/02/2014, 08:20

... were expressed as a percentage related to the value resulting from the designated calibrator sample (wild type). Southern blot analyses of mtDNA Six micrograms of genomic DNA from each H9 cell line, purified ... insertion of a gene encoding a suicide gene, which makes the cells sensitive to a nucleoside prodrug. The suicide gene activates the prodrug into a highly cytotoxic metab...

Ngày tải lên: 20/02/2014, 01:20

... fluorescent signal to investigate the information of Ca 2+ binding to the regulatory sites in TnC transmitted to TnI and to analyze the modulatory effect of TnI on Ca 2+ -binding properties of TnC. The ... the N-domain of TnC, in the inhibitory region of TnI and at position 121 of TnI, followed the Ca 2+ -binding to the N-domain of TnC. The variation in K d and n are li...

Ngày tải lên: 20/02/2014, 11:20

... have used are kept in their user records. Volunteers are encouraged to upl- oad their anonymous user records to the server side. In order to preserve user privacy, user- names are hidden using ... As a result, user behaviors offer a new perspective for measuring relatedness between words. On the other hand, we can also recom- mend related words to users in order to enha...

Ngày tải lên: 20/02/2014, 04:20

... downloads two kinds of web pages, which are put into the storage. The first kind of web pages are parallel web pages (describe the same contents but with different languages, often from bilingual sites, ... the Internet to get par- allel and bilingual web pages. It employs a set of heuristic rules related to URLs and contents to filter unwanted pages. It uses a list of potential...

Ngày tải lên: 20/02/2014, 05:20

... all of the currency information, but the format varies sufficiently from language to language to make automatic extraction difficult. Together, these allow phrases like this (taken from the ... con- sists of 25,000 words of human annotated news- wire derived from the ACE 2007 test set, manually modified to conform to our extended MUC-style standards. The second consi...

Ngày tải lên: 20/02/2014, 09:20

... order of magnitude. We thus can afford to be extremely selective of the sentence pairs we use. To handle a dataset of such size (hundreds of GBs), we split it into smaller chunks, and distribute all ... the possibility of not doing any expansion. 3.2 Smoothing In order to smooth our estimates we use Witten-Bell discounting (1991) with 6 levels of back-off. This method enable...

Ngày tải lên: 20/02/2014, 09:20

... metalinguistic information from text, the first is- sue to tackle is how to obtain a reliable set of can- didate sentences from free text for input into the next phases of extraction. From our initial ... attempt to extract or process: (5) “Intercursive” power , on the other hand , is power in Weber's sense of constraint by an ac- tor or group of actors over othe...

Ngày tải lên: 20/02/2014, 15:20

... kinase PTO, which confers resistance to the bacterial pathogen P. syringae pv tomato carrying the avirulence effector proteins AvrPto or AvrPtoB [17,18]. The OXI1 protein kinase was also shown to ... However, overexpression of the tomato SlPti1 in tobacco caused enhanced HR in leaves when challenged with P. syrin- gae pv tabaci expressing AvrPto [17]. On the other hand, expression of...

Ngày tải lên: 14/02/2014, 19:20