Báo cáo khoa học: "Paraphrase Identification as Probabilistic Quasi-Synchronous Recognition" ppt
Báo cáo khoa học: "Paraphrase Identification as Probabilistic Quasi-Synchronous Recognition" ppt
... 468–476,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPParaphrase Identification as Probabilistic Quasi-Synchronous RecognitionDipanjan Das and Noah A. SmithLanguage Technologies InstituteCarnegie ... statistical classifiers based on shallow lexical,n-gram, and syntactic “overlap” features. Suchoverlap features give the best-published classifi-cation accuracy for the paraphrase identification task (Zhang ... (Callison-Burch et al., 2006).The paraphrase identification problem askswhether two sentences have essentially the samemeaning. Although paraphrase identification isdefined in semantic terms,...
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Báo cáo khoa học: Molecular identification of adrenal inner zone antigen as a heme-binding protein potx
... activity of CYP21 plasmid, pSVL-fLuc plasmid was cotransformed with hIZA1s expression vectors and Renilla luciferase vector as an internal standard. The promoter activityof pSVL was normalized to ... lysates andthe assay for luciferase activity using the Dual-LuciferaseReporter Assay System were performed according to themanufacturer’s instructions (Promega).In vitro reconstitution assayIn ... of25-Dx cDNA. rIZA1 has also been reported as ‘ventralmidline antigen’, a protein expressed in the rat centralnervous system [13]. A yeast ortholog of IZA wasrecently reported as ‘Damage response...
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Tài liệu Báo cáo khoa học: Direct identification of hydrophobins and their processing in Trichoderma using intact-cell MALDI-TOF MS docx
... laserdesorption ⁄ ionization mass spectrometry. Rapid Com-mun Mass Spectrom 19, 3564–3568.10 Li TY, Liu BH & Chen YC (2000) Characterization ofAspergillus spores by matrix-assisted laserdesorption ... mass spectrometry.Rapid Commun Mass Spectrom 14, 307–310.12 Welham KJ, Domin MA, Johnson K, Jones L & Ash-ton DS (2000) Matrix-assisted laser-desorption ⁄ ioniza-tion time-of-flight mass ... formation, has a mass of7743 Da.T. longibrachiatumThe main mass peak of T. longibrachiatum of m ⁄ z 7242was assigned to an HFB3-type of hydrophobin identifiedby searching the TrichoEST database....
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Báo cáo khoa học: Molecular identification of monomeric aspartate racemase from Bifidobacterium bifidum pptx
... PLP-independent aspartate race-mases. Bb, the monomeric aspartate racemasefrom B. bifidum; St, the dimeric aspartateracemase from S. thermophilus [17]; D s, thedimeric aspartate racemase from Desulfuro-coccus ... neither monomeric nor multimericaspartate racemase has been ide ntified yet.This paper presents the first identification ofPLP-independent monomeric aspartate racemase fromB. bifidum NBRC 14252 ... mMD-aspartate a nd 0.15MNaCl. A calibration curve w as made with the following proteins: glutamate dehydrogenase(290 kDa), lactate dehydrogenase (142 k Da), enolase(67.0 kDa), adenylate kinase...
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Báo cáo khoa học: "Joint Identification and Segmentation of Domain-Specific Dialogue Acts for Conversational Dialogue Systems" doc
... is stillabout 15% faster than our second baseline, whichclassification problem into several binary classifiers, described as PT4 by Tsoumakas and Katakis (?).4In our dataset, our method takes ... returned class (dialogue act label) Cj,i(and associated score, which in the case of our maxi-mum entropy classifier is the conditional probabilityScore(Cj,i) = P (Cj,i|Tj,i)). Then we assign ... dialogue act labels as classes.The basic idea is to find the best segmentation(that is, the one with the highest score) of the portionof the input text up to the ithword. The base case Siwould...
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Báo cáo khoa học: "Distributional Identification of Non-Referential Pronouns" pdf
... anaphoric” and“pleonastic” as in the following two instances:(3) The paper reported that it had snowed. It wasobvious. (clause anaphoric)(4) It was obvious that it had snowed. (pleonastic)The word ... are labelled as DISTRIB.Note that our maximum entropy classifier actuallyproduces a probability of non-referentiality, whichis thresholded at 50% to make a classification. As a baseline, we implemented ... set of training examples to learn a classifierthat optimally weights the counts.For classification, we define non-referential as positive and referential as negative. Our feature rep-resentation...
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Báo cáo khoa học: "Addressee Identification in Face-to-Face Meetings" pdf
... focus on speech and gaze as- pects of addressing behavior as well as on con-textual aspects such as conversational history andmeeting actions.3 Cues for addressee identification In this section, ... of all mis-classified cases for each classifier, individual typesof addressing (Px) were, in average, misclassifiedwith addressing the group (ALLP) in 73% casesfor NB, and 68% cases for BN.5.3.2 ... classificationIn this section we present the results on addresseeclassification in four-persons face-to-face meet-ings using Bayesian Network and N aive Bayesclassifiers.5.1 Classification taskIn...
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Báo cáo khoa học: The identification of a phospholipase B precursor in human neutrophils doc
... was increased slightly, butthis slight increase was significant, whereas 0.5 lg of thereleased material did not by itself show any detectabledeacylation activity (not shown). However, proteasessuch ... activity. It was stored at)70 °C for a few months before it was taken to 4 °Cand tested for protease activity. It did not show anyprotease activity when the universal protease substratecasein–resorufin ... ifa change in molecular mass was associated with theappearance of the deacylation activity, the purified pro-tein stored at 4 °C for 16 weeks was analysed bySDS ⁄ PAGE. As shown in Fig. 2, in...
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Báo cáo khoa học: Proteomic identification of all plastid-specific ribosomal proteins in higher plant chloroplast 30S ribosomal subunit PSRP-2 (U1A-type domains), PSRP-3a/b (ycf65 homologue) and PSRP-4 (Thx homologue) doc
... translationactivation has been proposed in C. reinhardtii viaaspecificinteraction between psbA mRNA 5¢-UTR and RB47, achloroplast poly(A)-binding protein [40,69]. In tobaccochloroplast, most mRNAs encoding ... chloro-S1 has been shown to associate withthe psbA mRNA 5¢-UTR [79], and the RNA-binding sitehas been reported to be in the C-terminal half of themolecule [80]. Recently, S1 protein mass has been ... PSRP-1 has beencopurified with chloroplast RNase P, suggesting its poss-ible participation in organelle RNA processing (P. Gegen-heimer, personal communication). As described above,PSRP-2 has sequence...
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Báo cáo khoa học: Structural identification of ladderane and other membrane lipids of planctomycetes capable of anaerobic ammonium oxidation (anammox) pptx
... (resolution1000). The gas chromatograph was equipped with a fusedsilica capillary column same as described for GC. The car-rier gas was helium. The same temperature programme as for GC was used.AcknowledgementsWe ... 0.12 lm) wasused with He as carrier gas. The samples were injected at70 °C and the oven temperature was programmed to130 °Cat20°CÆmin)1and then at 4 °CÆmin)1to 320 °C, atwhich it was held ... it was held for 10 min. GC ⁄ MS was performed on aHP5890 gas chromatograph interfaced with a VG AutospecUltima mass spectrometer operated at 70 eV with a massrange of m ⁄ z 40–800 and a cycle...
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