Báo cáo khoa học: "Improved Lexical Alignment by Combining Multiple Reified Alignments" potx

... Improved Lexical Alignment by Combining Multiple Reified Alignments Dan Tufiú Institute for Artificial Intelligence 13, “13 Septembrie”, ... feature. The algorithm searches for the links of the lexical dependencies around the candidate link. 5 Combining the reified alignments From a given alignment one can compute a se- ries of properties ... proce- dure alignment...

Ngày tải lên: 08/03/2014, 21:20

... those alignments have high recall and low precision. 2 Gappy Phrasal Alignment Our goal is to unify phrasal alignment and align- ment by agreement. We use a phrasal hidden semi- Markov alignment ... distribution. 1312 4 Alignment by Agreement Following Liang et al. (2006), we quantify agree- ment between two models as the probability that the alignments produced by the two model...

Ngày tải lên: 07/03/2014, 22:20

... that 6 clus- ters were dominated by core senses, whereas with 40 clusters a few were also dominated by RE- LATED senses or PEOPLE. No cluster was domi- nated by an UNRELATED label, which makes ... three ambiguous keywords in- spired by (Yarowsky, 1995): BASS, CRANE, and SQUASH. We apply query augmentation (cf. Ta- ble 1), and exact duplicates were filtered out by identical image URLs...

Ngày tải lên: 08/03/2014, 02:21

... mis- takes are caused either by annotation errors, or by binding NP-traces (NP–NP) to adjunct NPs, as op- posed to subject NPs. The parsing experiments are carried out with an unlexicalized PCFG augmented ... many types of EEs, we generalize Collins’ approach by enriching the anno- tation of non-terminals with the type of the EE in question (eg. WH–NP) by using different gap+ fea- tur...

Ngày tải lên: 08/03/2014, 04:22

... 8-14 July 2012. c 2012 Association for Computational Linguistics Deciphering Foreign Language by Combining Language Models and Context Vectors Malte Nuhn and Arne Mauser ∗ and Hermann Ney Human ... Salton et al. (1975) introduce a document space where each document identified by one or more index terms is represented by a high dimensional vector of term weights. Given two vectors v 1...

Ngày tải lên: 16/03/2014, 19:20

... is is incremented by a multiple of the difference between the value of the feature for the best alignment according to the model and the value of the feature for the reference alignment: λ i ← ... as test data. Automatic sentence alignment of the training data was provided by Ul- rich Germann, and the hand alignments of the la- beled data were created by Franz Och and Her- mann...

Ngày tải lên: 08/03/2014, 02:21

... Linguistics Measuring Language Divergence by Intra -Lexical Comparison T. Mark Ellison Informatics University of Edinburgh mark@markellison.net Simon Kirby Language Evolution and Computation Research ... probabilities. The distribution of confusion probabilities in one language is called a lexical metric. Section 2 presents the definition of lexical metrics and some arguments for their...

Ngày tải lên: 23/03/2014, 18:20

... explained by the fact that the GYGPG motif is preceded by eight amino acids that could facilitate the adoption of an active conformation and its stabilization. This has also been suggested by Moroy ... released by MMP-12, comprising nine bioactive sequences, or peptide 121–207, released by MMP-7 and MMP-12, containing eight bioactive sequences (Tables 3 and 4). All of these are able...

Ngày tải lên: 16/02/2014, 14:20

... normal and the vector defined by the first methylene carbon and the terminal methyl carbon on the acyl chain. A description of effective chain length has been proposed by Petrache et al. [42] (therein termed ... Membrane perturbation by Alzheimer’s Ab FEBS Journal 276 (2009) 3060–3075 ª 2009 The Authors Journal compilation ª 2009 FEBS 3069 lipid chains elongate, as demonstrated by a sma...

Ngày tải lên: 18/02/2014, 08:20

... quantified by scintillation counting. Preparative aminoacylation reactions, scaled to 100 lL, were allowed to reach a plateau, rapidly extracted with phenol, and the aminoacylated tRNA was collected by ... link under the acidic conditions of nuclease treat- ment was confirmed by separate experiments. Radioactivity was detected by phosphorimager analysis (PharosFX Plus; Bio-Rad, Munich,...

Ngày tải lên: 18/02/2014, 13:20