Tài liệu Báo cáo khoa học: "Counter-Training in Discovery of Semantic Patterns" doc

... use of a term for the value of PRED • for compilation steps which modify the original structure of the grammar (e.g. turning inequa- tions in finite domains into disjunctions, map- ping ... into ALEP allowing their effects to be expanded into the rules. In this spirit, follow- ing the work of Mellish [Mellish 1988] the technique of encoding boolean combinations of atom...

Ngày tải lên: 22/02/2014, 10:20

... protein structure and interaction with rRNA were mainly studied in a ‘dissect- ing’ fashion, focusing on each individual protein in turn [2]. Many individual protein structures were determined in ... few interesting aspects of assembly that the structures have shed light on. In their paper describing the details of protein–RNA interactions in the 50S subunit, Klein et al. argue...

Ngày tải lên: 19/02/2014, 17:20

... proper solution of idiosyncratic multiword expressions (MWEs) is one of the most difficult and intriguing problems in NLP. In principle, the nature of the idiosyncrasy of MWEs is twofold: one ... An indication of the syntactic flexibility of entry expressions (i.e., possibility of internal modification of constituent words) of entry expressions. In section 2, we...

Ngày tải lên: 20/02/2014, 04:20

... x) (discriminative training). In the remaining sections, we try to study each of the four errors in isolation. In practice, since it is difficult to work with some of the parameter settings that ... following three model families: In the HMM, the input x is a sequence of words and the output y is the corresponding sequence of part -of- speech tags. In the PCFG, the input x is...

Ngày tải lên: 20/02/2014, 09:20

... high degree of surprise in seeing one in place of the other. This is indicated using dark shading in Figure 3e. Only one set is shaded because we need only consider the contexts in which w 1 is ... relate clauses within a sentence. These include coordinat- ing conjunctions (e.g. but) and a range of subordina- tors including conjunctions (e.g. because) as well as phrases introduc...

Ngày tải lên: 20/02/2014, 15:20

... actual find- ings in child language. Further evidence against statistical learning comes from the Root Infinitive (RI) stage (Wexler, 1994; inter alia) in children acquiring certain languages. ... probabili- ties of competing grammars relative to the in- put data in the linguistic environment [3]. In this paper, we present longitudinal evidence concerning the prediction in...

Ngày tải lên: 20/02/2014, 19:20

... problem of developing a large semantic lexicon for natural language processing. The increas~g availability of machine readable documents offers an opportunity to the field of lexieal semantics, ... advantage of surface meaning is that makes it easier the acquisition of the semantic lexicon. This issue is examined in the next section. Acquisition of Lexical Semantic...

Ngày tải lên: 21/02/2014, 20:20

... acti- vating E2Fs cooperate with NF-Y proteins binding to CCAAT-boxes and with Myb proteins associating with a distal Myb site in activating the Cdc2 promoter. Binding of the activating E2Fs during ... Dimethyl sulfate footprint- ing of the CDE in the presence of SV40 large T indi- cated a loss of protein occupation on this site in vivo [79].Elevated expression of cyclin A, cy...

Ngày tải lên: 16/02/2014, 09:20

... K, Hoffmann S, Bauer F, Friedrich U, Kardinal C, Feller SM, Biesinger B & Sticht H (2002) Structural investigation of the binding of a herpesviral protein to the SH3 domain of tyrosine kinase ... 2009 FEBS retained in the centre of the interhelical linker and at the C-terminus of micelle-associated VpUcyt. Position of VpUcyt relative to the micelle NMR signal intensities of...

Ngày tải lên: 18/02/2014, 06:20

... upregulation in the liver of streptozotocin-induced diabetic rats and the suppres- sion of such elevation following insulin injection [21,22], we decided to investigate the effect of N H CH 2 CH COOH NH 2 L-kynurenine CHO COOH COOH NH 2 Tryptophan α-amino-β-carboxymuconate-ε-semialdehyde ... represents the first structure of an ACMSD in a ligand-bound form and can be used to provid...

Ngày tải lên: 18/02/2014, 06:20