Báo cáo khoa học: "Joint Evaluation of Morphological Segmentation and Syntactic Parsing" pptx

... spelling, good grammar, rhythm and flow, appropriateness of tone, and several other specific characteristics of good text. In terms of automatic evaluation, we are not aware of any technique that measures ... according to a mix of the initial method of Section 3.2, for calibration, and the new methods above. We again used a sentence length of 24, and sequence lengths for...

Ngày tải lên: 20/02/2014, 12:20

... B LEU with unigram and bi- gram, i.e. N=2, for the purpose of explanation and call this B LEU-2. Using S1 as the reference and S2 and S3 as the candidate translations, S2 and S3 would have ... sequences X and Y, the longest common subsequence (LCS) of X and Y is a common subsequence with maximum length. We can find the LCS of two sequences of length m and n using...

Ngày tải lên: 20/02/2014, 16:20

... Proceedings of the 12th Conference of the European Chapter of the ACL, pages 112–120, Athens, Greece, 30 March – 3 April 2009. c 2009 Association for Computational Linguistics Human Evaluation of a ... better understand what makes good evaluation data (and metrics), we designed and im- plemented an experiment in which human judges evaluated German string realisations. The main...

Ngày tải lên: 22/02/2014, 02:20

... features and syntactic features, such as part -of- speech (POS) and shallow parsing; Downey et al. (2007) employ capitaliza- tion cues and n-gram statistics to locate names of a variety of classes ... consisting of entities and their variations. 6 Conclusions and Future work We study the task of NEN for tweets, a new genre of texts that are short and prone to noise. Tw...

Ngày tải lên: 07/03/2014, 18:20

... description of the approach, tips for how to use AdWords for scientific research, and results of pilot experiments on the impact of affective text variations which confirm the effectiveness of the approach. 1 ... the persuasive impact of a message. The problem is that evaluation experiments repre- sent a bottleneck: they are expensive and time con- suming, and recruiting a hig...

Ngày tải lên: 07/03/2014, 18:20

... the presence of flavins and iron–sulfur (FeS) clusters (Fig. S2). The determination of iron and sulfur yielded 8.7 ± 0.1 mol of nonheme iron and 5.1 ± 0.2 mol of acid-labile sulfur per mol of protein. ... clostridial Fd red and reduce F 420 . The kinetic parameters of the reaction exhibited a maximal velocity (V max ) of 225 mUÆ mg )1 of protein and K M values of 2...

Ngày tải lên: 14/03/2014, 23:20

... appear often in summaries of news documents and are of- ten not known to the reader beforehand. In addi- tion, first mentions of entities in text introduce the entity into the discourse and so ... thus indicative of both continuity and redundancy. 3.6 Sentence fluency: Chae and Nenkova (2009) We test the usefulness of a suite of 38 shallow syntactic features studied by Cha...

Ngày tải lên: 16/03/2014, 23:20

... Chinese word segmentation, which achieved the highest F-measure on three of the four corpora in the open track of the Second Interna- tional Chinese Word Segmentation Bakeoff (Ng and Low, 2004; ... I. Dan Melamed, Ryan Green and Joseph P. Turian, 2003. Precision and Recall of Machine Translation. Proceedings of the 2003 Conference of the North American Chapter of th...

Ngày tải lên: 17/03/2014, 00:20

... Rate constants of LRET, number and location of Tyr and Trp residues, for the various lysozymes. Lysozyme source (No. of amino acids) Number of Trp/ molecule (position) Number of Tyr/ molecule ... HPLC separation and identification of the peptides was performed for nonirradiated and irradiated hen lysozyme. Fluorescence spectra of the peptides indicate that Trp108 and/ or...

Ngày tải lên: 17/03/2014, 10:20

... except for w 7 , which is necessarily 1, and w 4 and w 6 which are w 4 = p and w 6 = 1 − p. He finds that the expected values of the weights w 4 and w 6 of the estimated grammar G  are: E[w  4 ] ... is bi- ased and inconsistent. His criticism spearheaded a number of other methods, including (Bonnema et al., 1999; Bod, 2003; Sima’an and Buratto, 2003; Zollmann and Sima’an,...

Ngày tải lên: 17/03/2014, 22:20