Tài liệu Báo cáo khoa học: "An Improved Redundancy Elimination Algorithm for Underspecified Representations" pdf

... ACL, pages 409–416, Sydney, July 2006. c 2006 Association for Computational Linguistics An Improved Redundancy Elimination Algorithm for Underspecified Representations Alexander Koller and Stefan ... following redundancy elimination algorithm: REDUNDANCY- ELIMINATION( Ch, R) 1 for each split S in Ch 2 do if S is eliminable with respect to R 3 then remove S from Ch Prop....

Ngày tải lên: 20/02/2014, 12:20

... AN EXTENDED LR PARSING ALGORITHM FOR GRAMMARS USING FEATURE-BASED SYNTACTIC CATEGORIES Tsuneko Nakazawa Beckman Institute for Advanced Science and Technology and Linguistics ... tsuneko@grice.cogsci.uiuc.edu ABSTRACT This paper proposes an LR parsing algorithm modified for grammars with feature-based categories. The proposed algorithm does not instantiate categories durin...

Ngày tải lên: 22/02/2014, 10:20

... An Improved Parser for Data-Oriented Lexical-Functional Analysis Rens Bod Informatics Research Institute, University of Leeds, Leeds LS2 9JT, UK, & Institute for Logic, Language ... valid derivations that produce the same analysis. The algorithm for computing n most probable derivations follows straight- forwardly from the algorithm which computes the most probable derivation...

Ngày tải lên: 20/02/2014, 18:20

... prop- agation algorithm, we first construct some pseudo supporting sentences for a term from the support- ing sentences of its similar terms. Then we calcu- late label scores for terms by performing ... following a similar procedure) that the above Formula holds for the case of m>2, as long as the pieces of evidence are mutually independent. Therefore for a term-label pair wit...

Ngày tải lên: 20/02/2014, 04:20

... A Best-First Search Algorithm for Generating Referring Expressions Helmut Horacek Uniyersitat des Saarlandes, FR 6.2 Informatik Postfach 151150, D-66041 Saarbdicken, ... except the intended referent(s). Several algorithms have been developed for this purpose, differing in terms of computational efficiency, quality and coverage. For identifying sets of objects rather ... considerable...

Ngày tải lên: 22/02/2014, 02:20

... of an improved cyclohydrolase II M. Lehmann et al. 4128 FEBS Journal 276 (2009) 4119–4129 ª 2009 The Authors Journal compilation ª 2009 FEBS lase I catalyze the formation of 2-amino-5-formyl- amino-6-ribofuranosylamino-4(3H)-pyrimidinone triphosphate. ... produces formylami- nopyrimidine nucleotide monophosphates. Biochemistry (Mosc) 41, 15074–15084. 21 Morrison SD, Roberts SA, Zegeer AM, M...

Ngày tải lên: 18/02/2014, 11:20

... random hexamer. PCR was per- formed with PCR master mix (Roche, Indianapolis, IN, USA) at 94 °C for 5 min followed by 35 cycles of 94 °C for 30 s, 48 °C for 30 s and 72 °C for 30 s using a set of ... broken line arrows), and RT-PCR was performed with Taq DNA polymerase (Roche) at 94 °C for 5 min followed by 35 cycles of 94 °C for 30 s, 58 °C for 30 s and 72 °C for 30 s. The si...

Ngày tải lên: 14/02/2014, 14:20

... either wild-type (WT) LF or LF-K518E ⁄ E682G for 1 h, and then treated with lipopolysaccharide for 15 min. Cellu- lar lysates were made and probed for phosphorylated MAPKs or a-tubulin control ... incubated with MALME-3M cells for 72 h, and viability was estimated using the MTS assay (Fig. 5A) [20]. The EC50 for wild-type LF was determined to be 2 · 10 )13 m, and the EC50 for LF-K...

Ngày tải lên: 16/02/2014, 09:20

... HTH functions could be performed by both isoforms, although for antenna development only full-length HTH was sufficient. It may therefore be that Meis2e- like proteins are functional for some activities, ... represents a naturally occurring dominant negative form of Meis2 that might be able to interfere by competing with other Meis isoforms for binding to Pbx1, for example. Our attempt...

Ngày tải lên: 16/02/2014, 15:20

... was incu- bated at 37 °C for 1 h. Prior to the self-cleavage activity assays, the DNAzyme was first denatured by heating to 90 °C for 2 min, and then incubated at 0 °C for 5 min. Trace amounts ... molecule played a double role as both the substrate for the RNA-cleaving activity of the recon- structed DNAzyme and as a ‘negative’ effector for controlling the self-cleavage activity of t...

Ngày tải lên: 16/02/2014, 15:20