Báo cáo khoa học: "Utilizing Co-Occurrence of Answers in Question Answering" pdf

Tài liệu Báo cáo khoa học: "The Role of Initiative in Tutorial Dialogue" pdf

... an-notated using changes in initiative as a starting point; thesechanges were taken as marking either a segment endpoint orthe beginning of a nested segment.tion following a question takes initiative. ... Rules for Assigning Initiativeabout the effectiveness of Socratic tutoring in theBEE domain or Socratic tutoring in general.3.2 Initiative Annotation MethodThe two definitions of initiative we ... sharing of initiative — the expert had ini-tiative for 60% of the turns in finance ADs and51% of the turns in software ADs. This is because in the ADs, the novice must communicate the de-tails of...

Báo cáo khoa học: "Utilizing Co-Occurrence of Answers in Question Answering" pdf

... LinguisticsUtilizing Co-Occurrence of Answers in Question Answering Abstract In this paper, we discuss how to utilize the co-occurrence of answers in building an automatic question answering system ... terms. During the development of our TREC QA sys-tem, we found the answers of some questions in a series have higher co-occurrence. For example, in a series of questions on a topic of disaster ... the series of questions can be viewed as asking for the attrib-utes of the object. In this point of view, to find out which questions have higher answers co-occurrence is to find out which...

Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... proteins that evolved independently fromhemocyanins [4].Although hexamerins might be ubiquitous in insects[14,19–21], hemocyanin appears to be missing in eume-tabolous insects [22]. Here we investigate ... coordinated bythree histidines in two distinct binding sites. Somehemocyanins assemble into large oligomers of up to8 · 6 subunits [1]. The occurrence and properties of hemocyanins have been thoroughly ... isconserved in all subunit types (Hc1 and Hc2) with theexception of PmaHc1. An insertion of nine aminoacids in PamHc2 starting at amino acid 435 is uniqueto subunit types 2. On the amino acid...

Tài liệu Báo cáo khoa học: The sequentiallity of nucleosomes in the 30 nm chromatin ﬁbre pptx

... gradualdecrease of the number of nucleosomes per chain in the main peak, with a corresponding increase in theFig. 5. UV absorbance proﬁles of sucrose gradients of an oligonu-cleosome sample of six to ... the size of theoriginal samples after digestion of the linkers, was sug-gested by Dorigo et al. [14] to indicate incompletecrosslinking. However, incomplete but random cross-linking should ... zerolength crosslinker. Most probably, some of the end-nucleosomes are crosslinked to the rest via linker–linker or linker–core histone links. Digestion of thismaterial with trypsin initially caused...

Tài liệu Báo cáo khoa học: The role of antioxidants in the cytotoxicity of chemotherapeutic drugs pptx

... Quercetindid not inhibit ROS generation, and enhanced cytotoxicity of Topotecan in both cells. In contrast, NAC enhanced resistanceagainst doxorubicine and vincristine in MRP1 overexpressingcells. ... perplexing diversity of lesions is continuously induced in our genes ranging from sin-gle and double strand breaks, to chemical alterations of nucleo-tides including adducts, as well as inter- ... activation of JNK, serineAbstracts19phosphorylation of insulin receptor substrate 1 (IRS1), andinhibition of insulin action. Hence, we conclude that JNK acti-vation and ER stress, integrates in ammatory...

Tài liệu Báo cáo khoa học: Single phosphorylation of Tyr304 in the cytoplasmic tail of ephrin B2 confers high-afﬁnity and bifunctional binding to both the SH2 domain of Grb4 and the PDZ domain of the PDZ-RGS3 protein ppt

... 301–333) of ephrin B2confers high-affinity binding to the SH2 domain of theGrb4 protein. Tyrosine phosphorylation at other candi-date sites resulted in only minor change of the binding of Tyr304-phosphorylated ... effect of tyrosine phosphorylations on the binding affinity of ephrinB2(301–333) to the SH2 domain of Grb4 and to the PDZdomain of PDZ-RGS3. In the combination experiments, the two Cterminal tyrosine ... the binding of the PDZ domain of PDZ-RGS3 affects binding of the Grb4 SH2 domain tophosphorylated peptides, through studies of ternary inter-actions among the PDZ domain, the phosphotyrosinepeptide...

Tài liệu Báo cáo khoa học: "The Nature of Affixing in Written English" docx

... doubling rules in the inflection of English verbs C. The determination of word-breaking rules as used in end -of- the-line practices in type composition D. The determination of parts -of- speech ... leads to interest- ing results. In order to obtain a procedure for finding affixes, we will make use of one of the main results of reference 1. There we found that certain consonant strings such ... only in initial position in CVC words, certain strings such as NT occur only in final position, while some, such as T, occur in both positions. The initial and final consonant strings of the...

Tài liệu Báo cáo khoa học: Gene transcription of fgl2 in endothelial cells is controlled by Ets-1 and Oct-1 and requires the presence of both Sp1 and Sp3 pdf

... proximalregion of mouse chromosome 5 [14,15]. Fgl2 is a member of the fibrinogen family, which includes tenascin, cyto-toxin, and fibrinogen [16–18]. Fibrinogen-like proteinfamily members all contain fibrinogen-related ... thepivotal role of fgl2 in a murine model for murine hepatitisvirus strain 3 (MHV-3) induced fulminant hepatic failure[21,22]. Administration of neutralizing antibodies againstfgl2 conferred ... development of a normal fetus and in regulatingimmune responses within the intestine. Induction of fgl2 in macrophages in response to viruses results in theproduction of a potent coagulant activity...

Tài liệu Báo cáo khoa học: NMR structure of AII in solution compared with the X-ray structure of AII bound to the mAb Fab131 pptx

... progressed slowly [6], mainly because of technical difﬁculties in purifying and handling integralmembrane proteins. The instability of these proteins in environments lacking phospholipids and the ... twolimiting cases. The intermediate values (6.4 Hz) of thebackbone couplings for Tyr4 and His6 are possibly theresult of twisting or bending in the middle of the amino-acidsequence of the hormone ... –NH3+terminal of Asp1 and the main chain carbonylgroup of Ile5 [30]. The second turn involves the residues Ile5,His6, Pro7, and the centre of this turn is lodged in thedeepest region of the binding...

Tài liệu Báo cáo khoa học: "The Role Of Focussing in Interpretation of Pronouns " pdf

... The Role Of Focussing in Interpretation of Pronouns Candace L. Sidner Artificial Intelligence Laboratory Massachusetts Institute of Technology Cambridge, MA 02139 ... authors all point out the need for inferencing as part of anaphora disambiguation, but each of their schemes for inferencing suffer from the need for control which will reduce the combinatorial ... represented in a database. Using this framework, the paper supports two claims by means of rules for antecedence. I. The focus provides a source of antecedence in rules for interpreting pronominal...

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