Báo cáo khoa học: "High Precision Treebanking

Báo cáo khoa học: "Feedback Cleaning of Machine Translation Rules Using Automatic Evaluation" pot

... Methods quality of the proposed methods (simple feedback cleaning and cross-cleaning) are considerably im- proved over those of the previous methods. Focusing on the subjective quality of the proposed methods, ... This similarity is measured by N-gram precision scores. Several kinds of N-grams can be used in BLEU. We use from 1-gram to 4-gram in this paper, where a 1-gram precision score...

Ngày tải lên : 08/03/2014, 04:22

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Báo cáo khoa học: "Mapping Scrambled Korean Sentences into English Using Synchronous TAGs" pot

... scrambled position, it should be substituted into an available empty slot using the aAT~ structure. The fiAT~G structure will be used only when the argument is in a scrambled position so ... i.e., aA~o~, and ~AT~go~,, thus generating two possible lexical pairs. ~As a way of implementing a verb-final condition in Korean,/KA'/'~s~, structure is dominated by fl.AT~s~,, an...

Ngày tải lên : 08/03/2014, 07:20

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Báo cáo khoa học: "A Support Platform for Event Detection using Social Intelligence" pot

... potentially hin- ders the readability of messages. Approaches to lexical normalisation—i.e., replacing noisy tokens by their standard forms in messages (e.g. replacing yr with your)—could potentially ... present, lexical normalisation is an optional plug-in for post-processing messages. A further issue related to noisy tokens is that it is possible that a relevant tweet might contain a va...

Ngày tải lên : 08/03/2014, 21:20

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Tài liệu Báo cáo khoa học: High-afﬁnity ligand binding by wild-type/mutant heteromeric complexes of the mannose pptx

... subjected to direct binding analysis using radiolabeled ligands (Fig. 3E,F). For this pur- pose, differentially tagged mini-receptors were co-immunoprecipitated using a FLAG-based antibody from lysates ... diges- tion using subtilisin. They determined that repeats 1–3 and 7–10 can independently bind Man-6-P-containing ligands. Dahms et al. [19] further deﬁned the location of Man-6-P bin...

Ngày tải lên : 18/02/2014, 08:20

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Tài liệu Báo cáo khoa học: High affinity copper binding by stefin B (cystatin B) and its role in the inhibition of amyloid fibrillation docx

... four histidines in the C-terminal, another histidine is present at position 18, and given the folded state of the protein it is possible that this residue could play a role in copper binding. No ... binding to the protein, saturation experiments were undertaken. Namely, 10 lm of steﬁn B was exposed to 10, 20, 50 and 100 lm of Cu(II) as Cu 2+ -Gly chelate. The protein was dia- lysed and the .....

Ngày tải lên : 19/02/2014, 06:20

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Tài liệu Báo cáo khoa học: "a Precision-Order-Recall MT Evaluation Metric for Tuning" pdf

... use closest reference length for each translation hypothesis to compute the numbers of the reference n-grams. 2.1 BLEU BLEU is composed of precision P g (N) and brevity penalty BP: BPNPBLEU g ×= ... design decisions. 2.2.1 Precision and Recall The average precision and average recall used in PORT (unlike those used in BLEU) are the arithmetic average of n-gram precisions P a...

Ngày tải lên : 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: High activity of human butyrylcholinesterase at low pH in the presence of excess butyrylthiocholine pptx

... (Whatman, Clifton, NJ, USA) using an NaCl gradient for elution. The resulting enzyme was typically 70–95% pure. Wild-type BuChE used in this work was puriﬁed from human plasma using the same combina- tion ... the protonated form of H438 is abolished in the E197Q mutant. Role of position 328 in the excess-substrate effect Mutations at position 328 seem to modulate the behaviour of BuChE, r...

Ngày tải lên : 20/02/2014, 23:20

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Báo cáo khoa học: High negative charge-to-size ratio in polyphosphates and heparin regulates factor VII-activating protease pdf

... binding is the EGF3 domain, which contains a positively charged cluster of amino acids, although other regions of FSAP promote this interaction [6]. Using a recombinant EGF3 domain deletion mutant ... B, Shibamiya A, Trusheim H, Tzima E, Niepmann M, Linder D, Preissner KT & Kanse SM (2006) A positively charged cluster in the epidermal growth factor-like domain of Factor VII-activating p...

Ngày tải lên : 07/03/2014, 02:20

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Báo cáo khoa học: High resolution structure and catalysis of O-acetylserine sulfhydrylase isozyme B from Escherichia coli pot

... rebuilt using arp ⁄ warp [24]. The structure was manually completed using coot [25] and then refined with refmac5 [26]. Finally, we performed a translation libration screw refine- ment with refmac5 using ... rather distant from PLP, is probably a result of inefficient TNB binding, causing a large increase in K M (TNB). The proposed binding deficiency agrees with our TNB model (see below)...

Ngày tải lên : 07/03/2014, 05:20

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Báo cáo khoa học: "High Frequency Word Entrainment in Spoken Dialogue" ppt

... natural- ness scores for their conversation. Using entrainment over the most frequent words in the entire cor- pus has the advantage of avoiding sparsity problems; we hypothesize that it will be more general ... behavior. These include (i) smooth turn exchanges—speaker S 2 takes the ﬂoor after speaker S 1 has completed her turn, with no overlap; (ii) overlaps—S 2 starts his turn before S...

Ngày tải lên : 08/03/2014, 01:20

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Báo cáo khoa học: "High Precision Treebanking — Blazing Useful Trees Using POS Information" pot