Báo cáo khoa học: "System for Querying Syntactically Annotated Corpora" pdf

... for each seed (e.g., for "book", 8 of the top 10 are parts, and 14 of the top 20). Over- all, about 55% of the top 50 words for each seed are parts, and about 70% of the top 20 for ... B clearly outper- form patterns C, D, and E. Although parts occur in all five patterns~ the lists for A and B are predom- inately parts-oriented. The relatively poor perfor- mance of...

Ngày tải lên: 20/02/2014, 19:20

... standard for almost all corpora, more and more of them are nowadays annotated with refined syntactic information. Examples are the Penn Treebank (Marcus et al., 1993) for American English annotated ... complex. Complex formulae are constructed in a way normal for first-order logic. Let cp, pi, (p n , and be formulae, and x a variable. Then the follow- ing are well-formed formulae...

Ngày tải lên: 22/02/2014, 02:20

... Mayrose I, Bacharach E & Pupko T (2005) Selecton: a server for detecting evolutionary forces at a single amino-acid site. Bioin- formatics 21, 2101–2103. 39 Da Lage JL, Danchin EG & Casane ... fifth CSR (QPDLN for both human rBAT and Bacil- lus cereus oligo-1,6-glucosidase) [20] (Fig. 2), may indi- cate a shorter evolutionary distance for rBATs from the GH13 ancestor common for...

Ngày tải lên: 18/02/2014, 13:20

... RT-PCR analysis was performed as described previously. The expected sizes of the PCR products were 1270 bp for HVEM, 738 bp for nectin-1, 616 bp for nectin-2, and 736 bp for 3-OST-3, respectively. ... phalloidin (Invitrogen) was added for F-actin staining at room temperature for 45 min. Finally, the cells were washed three times with 1· NaCl ⁄ P i before micros- copy was performed...

Ngày tải lên: 18/02/2014, 14:20

... these papers clearly show domain-specific binding for M 2+ (M ¼ Zn, Cd) initially to the a domain, thereby lead- ing to formation of the M 4 a cluster prior to formation of the M 3 b cluster, demonstrating ... in independent tetra- thiolate sites, the choice for the third incoming metal ion would be to form a bridging interaction in the a domain or to form another independent tetrathiolate...

Ngày tải lên: 19/02/2014, 00:20

... vitro systems as supportive medical care and for sympto- matic treatment; they represent an important aid for patients and for improving survival in severe forms of disease. Antiviral therapeutic ... conclusion, considerable effort has recently been made towards inhibiting the viral replication of DENv. Much remains to be performed to achieve results suit- able for experimentation in...

Ngày tải lên: 19/02/2014, 00:20

... frames using PCR. For the first potential glycerol dehydrogenase gene, we predicted introns in the genomic DNA. For that rea- son, we amplified the open reading frame from cDNA. For the second of ... The tagged protein was purified and then used for further analysis. In the reductive reaction, the Michaelis–Menten con- stant K m for DHA was 1 mm, and the K m for NADPH was 50 lm. The...

Ngày tải lên: 19/02/2014, 06:20

... indicated above the lanes) were assessed using export assays for TorA (upper panel) or TorA-GFP (lower panel) as described earlier for other mutants (Fig. 2). Mutagenesis of TatABC C. M. L. Barrett ... essential for Tat function. Taking these previ- ous reports into consideration, the logical conclusion is that several residues (F20, G21 in TatA, G21, P22, P26 in TatB) are probably impo...

Ngày tải lên: 19/02/2014, 17:20

... decided where in the mechanical translation process the specifier for the output sentence should be formed. As a result part of it is formed during the analysis of the input sentence, another part ... en- vironment required for the translation to 'special offi- cial' of a form of XAC as a constituent in a MBDL is of some complexity as is indicated by the form taken by t...

Ngày tải lên: 19/02/2014, 19:20

... of the Association for Computational Linguistics:shortpapers, pages 288–293, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Coreference for Learning to Extract ... results for generating surface patterns for relation identification; others have explored similar ap- proaches (e.g. Pantel & Pennacchiotti, 2006). Mitchell et al. (2009) sho...

Ngày tải lên: 20/02/2014, 04:20