Tài liệu Báo cáo khoa học: "Finding Hedges by Chasing Weasels: Hedge Detection Using Wikipedia Tags and Shallow Linguistic Features" doc

... 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 ... investigate the automatic detection of sentences containing linguistic hedges us- ing corpus statistics and syntactic pat- terns. We take Wikipedia as an al...

Ngày tải lên: 20/02/2014, 09:20

... gene family and the circadian clock Remco Nagel 1 , Linda Clijsters 1 and Reuven Agami 1,2 1 Division of Gene Regulation, The Netherlands Cancer Institute, Amsterdam, The Netherlands 2 Center ... (Per1, Per2 and Per3), the Cryptochromes (Cry1 and Cry2) and Rev-Erb a [3,5,6]. Rev-Erba binds the BMAL1 promoter directly to inhibit BMAL1 transcription, resulting in reduced CLOCK ⁄ BMAL1...

Ngày tải lên: 18/02/2014, 06:20

... plasmid were analyzed using linearized pBAD ⁄ gIII plasmid, linea- rized and denatured plasmid and intact plasmid. The pBAD ⁄ gIII plasmid was linearized using SalI and dena- tured by incubation at ... Finnzymes (Espoo, Finland) and Vent and Taq polymerase from Promega were used in the PCRs. Restric- tion enzymes NcoI and SalI were purchased from New England Biolabs (Ipswich...

Ngày tải lên: 19/02/2014, 05:20

... similarity: one using syntactic context and one using translational context based on word alignment and the combination of both. For both approaches, we used a cutoff n for each row in our word -by- context ... is of a looser kind, an associative kind,for example doctor and disease. These words are typically not good candidates for synonymy. 866 imated by automatic word alignment....

Ngày tải lên: 20/02/2014, 12:20

... We selected documents from the SPORTS domain (topic code: GSPO) and a limited number of documents from the FINANCE domain (topic codes: ECAT and MCAT). The SPORTS corpus consists of 35317 documents (about ... domain and text type re- quired. Buitelaar and Sacaleanu (2001) have previ- ously explored ranking and selection of synsets in GermaNet for specific domains using the words in...

Ngày tải lên: 20/02/2014, 16:20

... combination of sigdiff and strong conditioning worked better than either by itself. Thus all results in this paper, unless explicitly noted otherwise, were gath- ered using sigdiff and strong conditioning ... retrieval and cluster- ing of similar words," in 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computa-...

Ngày tải lên: 20/02/2014, 19:20

Ngày tải lên: 17/02/2014, 05:20

... related by two-fold symmetry (Fig. 2A,C). The structure of each monomer is dominated by eight b-strands and a twelve residue C-terminal a-helix. The b-strands are arranged as a sheet formed by a ... kid gene and Kid protein are shown in blue and the kis gene and Kis protein are shown in orange. Each protein complex is represented by an appropriate combination of blue rectangle...

Ngày tải lên: 18/02/2014, 04:20

... ambiguous than that of HSF1 and HSF2 [43]. The human cA-crystallin and cC-crystallin promoters contain HSEs of different configurations, and the for- mer is recognized by both HSF1 and HSF4, while the latter ... are recruited to both the pro- moter and coding regions, and histones are acetylated and displaced [56–58]. However, the presence of SAGA and SWI ⁄ SNF, and a high...

Ngày tải lên: 18/02/2014, 04:20

... sequence sepa- rated by two nucleotides, whereas C. elegans PUF-8, Drosophila and human Pumilio and yeast Puf3 recog- AB CD Fig. 6. Analysis of binding affinity between APUM-2 and the FAS-2 3¢ UTR ... affected by nucleotides flanking the binding site. Recently, Stumpf et al. [60] described a similar strategy to identify mRNA sequence motifs bound by PUF-5 and PUF-6 proteins from C...

Ngày tải lên: 18/02/2014, 06:20