Báo cáo khoa học: "Learning Arguments and Supertypes of Semantic Relations using Recursive Patterns" doc

... ar- guments and the supertypes of a diverse set of semantic relations from the Web. We evaluate the performance of our algo- rithm on multiple semantic relations ex- pressed using “verb”, “noun”, and ... representation of semantic relations using recursive lexico-syntactic patterns. • An automatic procedure to learn the se- lectional restrictions (arguments a...

Ngày tải lên: 07/03/2014, 22:20

... cut-off k c . By using this algorithm, both hubs and connectors among hubs are retained. Acknowledgements Thanks to Dr J. Aldana-Montes and members of Kha- os group research of the University of ... Parisi D (2004) Defining and identifying communities in net- works. Proc Natl Acad Sci USA 101, 2658–2663. 67 Newman M (2002) Random graphs as models of net- works. Handbook of Gr...

Ngày tải lên: 19/02/2014, 07:20

... papers discover relationships between words using syn- tactic patterns (Riloff and Jones, 1999). (Widdows and Dorow, 2002; Dorow et al, 2005) discover categories using two hard-coded symmet- ric patterns, and ... fragments ‘book and newspaper’, ‘newspaper and book’, ‘book and note’, ‘note and book’ and ‘note and newspaper’. In this case the three words are assigned to a...

Ngày tải lên: 23/03/2014, 18:20

... black line of Figure 4 shows successive accumulations of 400-rule segments of the grammar after randomizing the ordering of the rules. Of the first 400 CS rules 50% were new; and for an accumulation ... the p and n were shifted onto the stack and then reduced to a pp; then the np and pp on the stack were reduced to an np, followed by the shifting of v and n, their re...

Ngày tải lên: 31/03/2014, 06:20

... instances of implicit causal relations in sentences, and found that many of them can be identified using some amount of semantic analysis. Some of them in- volve words like when, after and with ... sentences, and which part of the sentence represents the cause and which part represents the effect. The patterns are matched with the syntactic parse trees of sentences,...

Ngày tải lên: 31/03/2014, 04:20

... where t i and w i represent the occurrence (binary value: 0 or 1) of words T and W in i-th document respectively, and n is the total number of documents in the collected documents. This ... the first word of the document to the last in the size of the window (60 words) and the interval of each window (30 words). Therefore, the final output of preprocessing is a...

Ngày tải lên: 20/02/2014, 16:20

... contain trees of frames of words or phrases. Core slots of frames are surface and lexi- cal form, syntactic and semantic category, subframes with syntactic and semantic roles, and form restric- ... transparent and intuitive as possible. The parsing does not have separate phases for part -of- speech selection and syntactic and semantic processing, but rather int...

Ngày tải lên: 22/02/2014, 03:20

... dominates the field of phonology, and some areas of morphology and syn- tax. The standard version of OT contains the follow- ing assumptions: • A grammar is a set of ordered constraints ({C i : i ... frequen- cies of the grammar and those in the data. As it turns out, GLA does not work in all cases 2 , and its lack of formal foundations has been ques- tioned by a number of...

Ngày tải lên: 23/03/2014, 19:20

... courses and effects of unlabeled ligands and low pH on the dissociation rates of [ 125 I]TC-PCSK9 (A) and [ 125 I]TC-PCSK9-D374Y (B) from HepG2 cells. Binding to equilibrium and removal of unbound ... of lipo- proteins, and there was a corresponding increase in the binding of [ 125 I]TC-PCSK9 and [ 125 I]TC-PCSK9- D374Y. Second, the extent of specific binding of both...

Ngày tải lên: 14/02/2014, 14:20

... expression of T-bet has been seen within a wide variety of tissues and cells in the Ginbuna crucian carp [27] and, in mammals, in the lung tissue of mouse and spleen and thymus of human and mouse ... other known sequences using the fasta [25] and blast [26] suite of pro- grams. Homology analysis of the amino acid sequences was performed using matgat software v2.02 [...

Ngày tải lên: 16/02/2014, 09:20