Báo cáo khoa học: "Searching Questions by Identifying Question Topic and Question Focus" docx

... search by identifying question topic and question focus. More specifically, we first summarize questions in a data structure con- sisting of question topic and question focus. Then we model question ... related questions, and then the MDL principle is applied to find a cut of the question tree specifying the question topic and the question focus of ea...

Ngày tải lên: 17/03/2014, 02:20

... one hand, PGE 1 and PGE 2 reduced cGMP transport to only 57% and 59% of the con- trol value, and the inhibitory effect of dipyridamole and indomethacin was also less pronounced. On the other hand, ... Borst (NKI 98-1794, and NKI 2001-2473) and J. Wijnholds (NKI 2001-2473), and NIH research grants GM60904, ES058571, and CA23099, Cancer Center Support Grant P30 CA21745, and a...

Ngày tải lên: 07/03/2014, 11:20

... induced by ligands on C-LytA monitored by near-UV CD with no ligand added (—) and upon addition of ligands: s, d, 2.5 and 20 m M choline; n, m, 2.5 mM and 20 mM atropine; h, j), 2.5 m M and 20 ... min. Experimental con- ditions depended on the enzyme, and were set as follows: 37 °C and pH 6.9 for LytA; 30 °C and pH 6.0 for LytC; and 30 °C and pH 6.9 for Pce. The specific...

Ngày tải lên: 19/02/2014, 05:20

... followed by recruitment of InsP 3 Rs and RyRs by CICR. Although there is much circumstantial evidence from physiologi- cal and pharmacological studies that cholecystokinin increases NAADP and cADPR ... release by cyclic ADP-ribose and calmodulin. J Biol Chem 270, 9060–9066. 7 Galione A (2002) Regulation of synthesis of cADPR and NAADP. In Cyclic ADP-Ribose and NAADP: Structu...

Ngày tải lên: 20/02/2014, 01:20

... tokenised by McIn- tosh and Curran (2008). These sentences were POS-tagged and parsed twice, once as for the newswire and Wikipedia data, and then again, us- ing the bio-specific models developed by ... adapted to suit the parser by train- ing on the combination of these sets and the stan- dard training corpora. We applied standard evalu- ation metrics for speed and accuracy,...

Ngày tải lên: 20/02/2014, 04:20

... Singapore, 4 August 2009. c 2009 ACL and AFNLP Finding Hedges by Chasing Weasels: Hedge Detection Using Wikipedia Tags and Shallow Linguistic Features Viola Ganter and Michael Strube EML Research ... natural language process- ing is dealing with identifying, extracting and clas- sifying facts, recent years have seen a surge in re- search on sentiment and subjectivity (see Pang &...

Ngày tải lên: 20/02/2014, 09:20

... displayed by E. coli FNR is caused by the stacking interactions between Tyr247 and Trp248 with the isoallox- azine and adenine ring systems, that are expected to shield the NADP(H) binding site and ... these open questions. Measurements of electron transfer rates and binding equilibria indicate that NADP(H) and ferredoxin interactions with FNR result in a reciprocal decrease of...

Ngày tải lên: 20/02/2014, 11:20

... characterization and is formed by the subset of the satisfied properties, noted P + , and the set of the violated ones, noted P − . For example, the characterizations associated to the NPs “the book” and “book ... set of sentences on the one hand the grammaticality index (done auto- matically), on the basis of a PG grammar, and on the other hand the acceptability judgment given by...

Ngày tải lên: 20/02/2014, 11:21

... average), and corre- sponding testing texts (with about 11,800 words on the average), and then tagged these texts using the statistical rules and hand-crafted con- straints. The hand-crafted ... directed acyclic graph 2 Tagging by Path Voting Constraints We assume that sentences are delineated and that each token is assigned all possible tags by a lexicon or by a morpho...

Ngày tải lên: 20/02/2014, 18:20

... discussed. First, it should be noted that by and large the answers given by subjects were the ones predicted by the Room First, consider questions about landm-~ks in the towns in which the conversation ... reflect the structure of the domain (questions) under investigation, and it need not be indicative of the adequacy of the model as such. The term " ;by and large&q...

Ngày tải lên: 21/02/2014, 20:20