Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf

... of using statistical language models.In this paper, we also use support vector machines to combine features from tradi-tional reading level measures, statistical language models, and other language ... Computational LinguisticsReading Level Assessment Using Support Vector Machines and Statistical Language ModelsSarah E. SchwarmDept. of Computer Science and EngineeringUniversity of WashingtonSeattle, ... reading level as-sessment that uses support vector machines (SVMs)to combine features from statistical language mod-els (LMs), parse trees, and other traditional featuresused in reading level assessment. The...

Tài liệu Báo cáo khoa học: "Grammar Error Correction Using Pseudo-Error Sentences and Domain Adaptation" pdf

... phrase-based statistical ma-chine translation (PBSMT), but there are three dif-ferences; 1) it adopts the conditional random ﬁelds,2) it allows insertion and deletion, and 3) binary and real features ... corpora and method.• TRG: The models were trained using only thereal-error corpus (baseline).• SRC: Trained using only the pseudo-error corpus.• ALL: Trained using the real-error and pseudo-error ... common,source, and target. The features extracted from thesource domain data are deployed to the common and the source spaces, and those from the target do-main data are deployed to the common and the...

Tài liệu Báo cáo khoa học: "Japanese Dependency Parsing Using Co-occurrence Information and a Combination of Case Elements" pdf

... proba-bilities, and is ﬁxed to the best value by consider-ing development data (different from the trainingdata)1.RerankingCandidate 1Candidate 2Candidate 3Candidate 4: Case element: VerbCandidateCandidateFigure ... “keisatsu-de” are “arui-teiru” and “hogo-shita”. Taking into account in-formation about the co-occurrence of “keisatsu-de” and “arui-teiru” and of “keisatsu-de” and “hogo-shita” makes it obvious ... particle r, and verb v)by using probabilistic latent semantic indexing(PLSI) (Hofmann, 1999)5. If n, r, v is theco-occurrence of n and r, v, we can calculateP (n, r, v) by using the...

Tài liệu Báo cáo khoa học: "Two-Level, Many-Paths Generation" docx

... systems that are robust against incomplete KBs and inputs? Although robustness has been heavily stud- ied in natural language understanding (Weischedel and Black, 1980; Hayes, 1981; Lavie, 1994), ... singular, plural, and occasionally even proper nouns, while a does not. On the down side, the's only outnumber a's and an's by about two-to-one (Knight and Chander, 1994), so ... cal language modeling. We built a language model 4See also (Harbusch et al., 1994) for a thorough dis- cussion of defaulting in NLG systems. for the English language by estimating bigram and...

Tài liệu Báo cáo khoa học: Multi-targeted activity of maslinic acid as an antimalarial natural compound pdf

... was supported by grants from the SpanishMinistry of Education and Science (BIO2007-67885 and BIO2010-17039) and the Research Teams Consoli-dation Programme of the UCM, Research Group920267 and ... activity by MA. MA and 3,4-dichloroiso-coumarin (DIC) were tested at 100 and 400 lM. The compoundswere incubated with the enzyme control and schizonts protein for15 min and 2 h respectively. ... Y, Rana S,Hua DH, Andersson B, Andersson PO, Peng L, SinghSK et al. (2009) Selective and irreversible inhibitors ofmosquito acetylcholinesterases for controlling malaria and other mosquito-borne...

Tài liệu Báo cáo khoa học: Dmrt1 genes at the crossroads: a widespread and central class of sexual development factors in ﬁsh pdf

... to male gonadogenesis and further differentiation (Table 1).Dmrt1 expression in protogynous and protandrous hermaphroditic speciesIn hermaphrodite ﬁsh (protogynous or protandrous),the developmental ... [20] and Oryzias latipes[21]) would infer a role correlated with Sertoli celllineage speciﬁcation and subsequently during testiculardifferentiation. The speciﬁc expression in spermatogo-nia and ... the Drosophila dsx and C. elegans mab-3 genes in structure and by meansof sex-determination⁄ differentiation function. Gonadaldmrt1 expression is generally detected at higher levelsin testes...

Tài liệu Báo cáo khoa học: Loose interaction between glyceraldehyde-3-phosphate dehydrogenase and phosphoglycerate kinase revealed by ﬂuorescence resonance energy transfer–ﬂuorescence lifetime imaging microscopy in living cells doc

... glycolytic and glu-coneogenic pathways, pairs of enzymes – aldolase and glyceraldehyde-3-phosphate dehydrogenase (GAPDH),GAPDH and phosphoglycerate kinase (PGK), GAP-DH and lactate dehydrogenase, and ... localization and enzymatic activities of GAPDH–citrine and PGK–cerulean. (A) Expression of GAPDH–citrine and PGK–cerulean. Localization of endogenous GAPDH and PGK inHeLa cells was examined by using ... N-terminal amino acids of subunits O and P,subunits O and Q and subunits O and R areshown (B–D). FLIM analysis of theinteraction between cerulean–GAPDH and citrine–GAPDH in living CHO-K1 cells....

Tài liệu Báo cáo khoa học: Mixed lineage leukemia: roles in human malignancies and potential therapy pdf

... of the available data and mechanismsidentiﬁed in leukemic stem and leukemic tumor cells and link this informa-tion with the known functions of mixed lineage leukemia and certain mixedlineage ... phosphatidylinositol 3-kinase and Hedgehog, and thus affects metabolism, the cell cycle,gene expression, developmental processes and oncogen-esis. Active GSK3 is indicative of absent WNT-signal-ing and leads ... & Choo AB (2009) KLF4 and PBX1 directly regulate NANOG expression in humanembryonic stem cells. Stem Cells 27, 2114–2125.54 Rowland BD & Peeper DS (2006) KLF4, p21 and context-dependent...

Tài liệu Báo cáo khoa học: Basis of recognition between the NarJ chaperone and the N-terminus of the NarG subunit from Escherichia coli nitrate reductase pdf

... structures was carriedout using pymol software [25] and the geometric quality ofthe resulting structures was assessed using procheck 3.4 and procheck-nmr [26].ITCITC was performed using an MCS ITC ... NarG(1–15) and (B)NarG(1–28).ABFig. 2. (A) Sequences of NarG(1–15) (left) and NarG(1–28) (right) and sequential assignments. Collected sequential NOEs are classiﬁed intothick and thin bars ... ﬁtted with the heterogeneous ligand interactionTable 1. NMR and reﬁnement statistics for NarG(1–15) and NarG(1–28) structures.NarG(1–15) NarG(1–28)NMR distance and dihedral constraintsTotal...

Tài liệu Báo cáo khoa học: The two Caenorhabditis elegans metallothioneins (CeMT-1 and CeMT-2) discriminate between essential zinc and toxic cadmium docx

... CeMT-1 and CeMT-2 if presented with Zn : Cd ratios as encounteredby C. elegans. Using a Cd : Zn ratio of 33 : 1 [21 nmCd(II) and 0.7 lm Zn(II)] and 0.1 lm of CeMT-1 and CeMT-2 each, and the ... cadmium and zinc. We have shown for the ﬁrsttime that the responses to cadmium and zinc ions atthe cellular level are isoform-speciﬁc, and that thisspeciﬁcity is reﬂected at the protein level. Experimental ... the cadmium speciation of the wild-type and the CeMT-2knockout strain was distinctly different to the CeMT-1 and double knock-outs. Taken together, and supported by a simple model calculation,...

Xem thêm