Báo cáo khoa học: "STRUCTURE OF SENTENCE AND INFERENCING IN QUESTION ANSWERING" docx

... STRUCTURE OF SENTENCE AND INFERENCING IN QUESTION ANSWERING Eva Haji~ovA and Petr Sgall Faculty of Mathematics and PhTeics Charles University : '. '. ... Czechoslovakia ABSTRACT In the present paper we characterize in more detail some of the aspects of a question answering system using as its starting point the underlying structure of sentences (which ... the relations of Coordinati- on (corresponding to the meanings of and, or~ but, etc.) or of Apposition. The ~- pendency re 6Iations are combined (in the underlying structure of a sentence without...

Báo cáo khoa học: Structure of amyloid b fragments in aqueous environments docx

... formation of aggregates of the wild-type and variant proteins using ThT-binding analysis in order to determine whether the introduced amyloid-ogenic sequences induce amyloid formation in thehost ... exchange mapping of Ab using NMR revealed that the middle of Ab isinvolved in a b structure in the ﬁbrils [30]. In contrast,the C-terminal region, including residues 28–42, isimportant in nucleation ... forms of Ab possess intrinsic neurotoxicity [33,34], indicating theimportance of structural analysis in aqueous solutions. In APP, Ab1)28is in the extracellular domain and Ab29)42is in the...

Báo cáo khoa học: "Importance of Pronominal Anaphora resolution in Question Answering systems" pot

... SelectingAntecedent ( INPUT L: ListOfCandidates, OUTPUT Solution: Antecedent )Apply restrictions to L with a result of L1Morphologic agreementC-command constraintsSemantic consistencyCase of: NumberOfElements ... after).5) Candidates with the same number of parsedconstituents as the anaphora6) Candidates that have appeared with the verb of the anaphor more than once7) Preference for indefinite NPs.Case of: NumberOfElements ... 2,10% 3,25% 2,57% 1,48% 1,75%Pronouns in SentencesContaining 0 pronouns 44,80% 48,09% 51,37% 64,04% 75,06% 77,84% 79,06% 83,79% 84,92% 90,95%Containing 1 pronoun 30,40% 31,37% 29,46% 23,07%...

Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx

... charged amino acid sidechains, R397 and R120, are also involved in fosfomycinbinding, and in view of the multitude of interactions, it wasassumed that deletion of a single interaction would not ... chain of K22 participates in fosfomycin binding, thus providing a rationale for the loss of fosfomycin binding to the K22V and K22E mutant proteins.However, two other positively charged amino ... Hence, themechanism of binding of fosfomycin by reinforcement of aninitial binding site (mainly K22 and R397) through recruit-ment of secondary binding partners located in a ﬂexibleloop (R120)...

Tài liệu Báo cáo khoa học: "Order of Subject and Predicate in Scientific Russia" pptx

... under- standing," since " ;in the field of scientific writ- ing, Russian sentence structure is definitely close to English — much closer than is normal for other forms of Russian ... prose. " In support of this statement, Harper quotes certain figures: "From a sample of 1, 528 sentences containing a subject and verb: Subject before verb: 81% of all occurrences ... tion, and the following types of fillers were found in the predicate spot: verb, adjective, noun, prepositional phrase, and various types of impersonal expressions.3 Sentences con- taining...

Tài liệu Báo cáo khoa học: Role of cleavage and shedding in human thyrotropin receptor function and trafﬁcking pdf

... ﬁve amino acids of theextracellular domain and devoid of any tag was notfunctional [27], while a mutant containing four amino acids of the ectodomain and including a rhodopsine tag wasfound ... periods of times (0–60 min)at 37 °C. The concentration of the biotinylated Ig remainingon the cell surface was then quantiﬁed by measuring thebinding of [125I]Streptavidin. In the absence of ... room temperature for 15 min, thencooled 10 min at 4 °C in cold incubation medium. Theywere then incubated with 0.25 mL of incubation mediumcontaining 2 lgÆmL)1 of biotinylated R5T-34 monoclonalIg...

Báo cáo khoa học: Role of DptE and DptF in the lipidation reaction of daptomycin ppt

... motif present in DptF is GLDSV,indicating that this putative ACP domain is one of thefew ACPs in which valine replaces isoleucine (I) orleucine (L) in the conserved sequence. To determinewhether ... overexpressed in Escherichia coliBL21(DE3). The C-terminally His6-tagged and N-ter-minally thioredoxin-fused protein was puriﬁed, yielding4.4 mgÆL)1 of culture. The identity of the protein wasconﬁrmed ... of DptE, weexpressed dptF using the pQTev vector in E. coli and puriﬁed the resulting ACP as an N-terminal His7 fusionprotein (Fig. 3) with a yield of 9.5 mgÆL)1 of culture.The identity of...

Báo cáo khoa học: "Order of Subject and Object in Scientific Russian When Other Differentia Are Lacking" ppt

... of maintaining custom- ary English order in the output), her dictum must be converted into programmable instructions. To a certain extent, the most economical method of distinguishing subject ... sentence are, in fact, two of its members of specifiable parts of speech, agreeing in number and either person or gender, while the subject must be of speci- fied case, i.e., nominative. Unfortunately, ... pendents of every occurrence in the sample; the listing is ordered by the grammatical type of the governor. Since subject and object are regarded as de- pendents of the main predicate element in...

Báo cáo khoa học: "Detection of Agreement and Disagreement in Broadcast Conversations" pot

... genre in thatit is more interactive and spontaneous, referring tofree speech in news-style TV and radio programs and consisting of talk shows, interviews, call -in programs, live reports, and ... train-ing set by either oversampling the minority class ordownsampling the majority class. In this prelimi-nary study of sampling approaches for handling im-balanced data for CRF training, ... efﬁcacy of adding prosodicfeatures on top of lexical, structural, and durational features. Since the training datais highly imbalanced, we explore two sam-pling approaches, random downsamplingand...

Tài liệu Báo cáo khoa học: Structure of RNase Sa2 complexes with mononucleotides – new aspects of catalytic reaction and substrate recognition pptx

... Tyr42 (in RNase T1) or an arginine (in RNase Sa, barnase, and binase) has an important role in closing the guanine-binding site [10,15–17]. How-ever, although the interactions between guanine and the ... disrupting thePhe39–base stacking interaction.To ﬁnd possible binding subsites of RNase Sa2, fourdinucleotides and 16 combinations of trinucleotides, allhaving a guanine as the leading base, ... binds to the active site of RNase Sa2 in two modes. In the ﬁrst one (Fig. 3B),seen in 3D4A and in molecules A and B of 3DH2, themononucleotide binds in a similar way as in RNase Sa[10], binase...

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