Báo cáo khoa học: "Paraphrase Identification as Probabilistic Quasi-Synchronous Recognition" ppt

... 468–476, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Paraphrase Identification as Probabilistic Quasi-Synchronous Recognition Dipanjan Das and Noah A. Smith Language Technologies Institute Carnegie ... statistical classifiers based on shallow lexical, n-gram, and syntactic “overlap” features. Such overlap features give the best-published classifi- cation accuracy for the pa...

Ngày tải lên: 17/03/2014, 01:20

... activity of CYP21 plasmid, pSVL- fLuc plasmid was cotransformed with hIZA1s expression vectors and Renilla luciferase vector as an internal standard. The promoter activity of pSVL was normalized to ... lysates and the assay for luciferase activity using the Dual-Luciferase Reporter Assay System were performed according to the manufacturer’s instructions (Promega). In vitro reconstitution as...

Ngày tải lên: 30/03/2014, 11:20

... laser desorption ⁄ ionization mass spectrometry. Rapid Com- mun Mass Spectrom 19, 3564–3568. 10 Li TY, Liu BH & Chen YC (2000) Characterization of Aspergillus spores by matrix-assisted laser desorption ... 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-fli...

Ngày tải lên: 19/02/2014, 02:20

... PLP-independent aspartate race- mases. Bb, the monomeric aspartate racemase from B. bifidum; St, the dimeric aspartate racemase from S. thermophilus [17]; D s, the dimeric aspartate racemase from Desulfuro- coccus ... neither monomeric nor multimeric aspartate racemase has been ide ntified yet. This paper presents the first identification of PLP-independent monomeric aspartate racemase from B....

Ngày tải lên: 07/03/2014, 16:20

... is still about 15% faster than our second baseline, which classification problem into several binary classifiers, described as PT4 by Tsoumakas and Katakis (?). 4 In our dataset, our method takes ... returned class (dialogue act label) C j,i (and associated score, which in the case of our maxi- mum entropy classifier is the conditional probability Score(C j,i ) = P (C j,i |T j,i )). Then we as...

Ngày tải lên: 07/03/2014, 22:20

... anaphoric” and “pleonastic” as in the following two instances: (3) The paper reported that it had snowed. It was obvious. (clause anaphoric) (4) It was obvious that it had snowed. (pleonastic) The word ... are labelled as DISTRIB. Note that our maximum entropy classifier actually produces a probability of non-referentiality, which is thresholded at 50% to make a classification. As a basel...

Ngày tải lên: 08/03/2014, 01:20

... focus on speech and gaze as- pects of addressing behavior as well as on con- textual aspects such as conversational history and meeting actions. 3 Cues for addressee identification In this section, ... of all mis- classified cases for each classifier, individual types of addressing (P x ) were, in average, misclassified with addressing the group (ALLP) in 73% cases for NB, and 68% cases...

Ngày tải lên: 08/03/2014, 21:20

... was increased slightly, but this slight increase was significant, whereas 0.5 lg of the released material did not by itself show any detectable deacylation activity (not shown). However, proteases such ... activity. It was stored at )70 °C for a few months before it was taken to 4 °C and tested for protease activity. It did not show any protease activity when the universal protease substrate c...

Ngày tải lên: 16/03/2014, 04:20

... translation activation has been proposed in C. reinhardtii viaaspecific interaction between psbA mRNA 5¢-UTR and RB47, a chloroplast poly(A)-binding protein [40,69]. In tobacco chloroplast, most mRNAs encoding ... chloro-S1 has been shown to associate with the psbA mRNA 5¢-UTR [79], and the RNA-binding site has been reported to be in the C-terminal half of the molecule [80]. Recently, S1 prote...

Ngày tải lên: 17/03/2014, 09:20

... (resolution 1000). The gas chromatograph was equipped with a fused silica capillary column same as described for GC. The car- rier gas was helium. The same temperature programme as for GC was used. Acknowledgements We ... 0.12 lm) was used with He as carrier gas. The samples were injected at 70 °C and the oven temperature was programmed to 130 °Cat20°CÆmin )1 and then at 4 °CÆmin )1 to...

Ngày tải lên: 23/03/2014, 15:20