Báo cáo khoa học: "XML-Based Data Preparation for Robust Deep Parsing" pptx

... from constituent format to dependency format. Following Koo et al. (2008), we used the MXPOST tagger (Ratnaparkhi, 1996) trained on the full training data to provide part-of-speech tags for the development 3 All ... error reduction. Results are for dependency parsing on the dev set for iters:5,training-k:1. tal errors break down by gold head. For example, the 12.1% total error reduc...

Ngày tải lên: 20/02/2014, 04:20

... acquire more over time: we in- tend for it to generalize and encapsulate best practices, and serve as a testbed for new practices. Dyna is now be- ing used for parsing, machine translation, morphological analysis, ... become a more experi- mental science. One often uses real-world data to test one’s formal models (grammatical, statistical, or both). Unfortunately, as in other experime...

Ngày tải lên: 20/02/2014, 16:20

... longer afford to waste human time and effort building manually these ever changing and in- complete databases or design language specific applications to solve this problem. The need for an automatic ... brackets). For average size texts (e.g. the Written Ques- tions), these words account for about 5% of the total (about 3k words / text). This number varies according to language similar...

Ngày tải lên: 20/02/2014, 18:20

... to a robust semantic processing component for fur- ther treatment, while the next best WHG path is analyzed by the parser 2. Robust semantic processing similarly builds up a chart-like data ... by specifying special types for these complete utterances, phrases, and lexical items. 3. For robust processing, the interface must export a certain amount of information from synt...

Ngày tải lên: 20/02/2014, 19:20

... information to be included in a query- focused summary. Several SVMs are trained using information from pyramids of summary content units. Their per- formance is compared with the best per- forming ... 57–60, Prague, June 2007. c 2007 Association for Computational Linguistics Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data Maria Fuentes TAL...

Ngày tải lên: 20/02/2014, 12:20

... An Improved Parser for Data- Oriented Lexical-Functional Analysis Rens Bod Informatics Research Institute, University of Leeds, Leeds LS2 9JT, UK, & Institute for Logic, Language and ... frag- ment size is confirmed for LFG-DOP; (3) LFG- DOP's relative frequency estimator performs worse than a discounted frequency estimator; and (4) LFG-DOP significantly outperforms Tree- DOP...

Ngày tải lên: 20/02/2014, 18:20

... performed in positive reflector mode, collecting data from approximately 3000 and 5000 single laser shots for MS and MS ⁄ MS anal- yses, respectively. Preparation of aggregate-free monomer for fibrillation ... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformald...

Ngày tải lên: 18/02/2014, 13:20

... above. Preparation of minor products to test as substrates for P450scc Minor metabolites of vitamin D3 were purified from 50 mL incubations of 100 lm vitamin D3 with 2 lm P450, as described above for ... resulted in the formation of 20,23-di- hydroxyvitamin D3 (RT = 30 min) and trihydroxyvi- tamin D3 (RT = 22 min) (Fig. 4A). A small lag (0– 3 min) was seen in the time course for format...

Ngày tải lên: 18/02/2014, 17:20

... context in- formation at the sentence level, we adopt the topical context information in our method for the following reasons: (1) the topic informa- tion captures the context information beyond the ... a novel approach for translation model adapta- tion by utilizing in-domain monolingual top- ic information instead of the in-domain bilin- gual corpora, which incorporates the topic in- fo...

Ngày tải lên: 19/02/2014, 19:20

... labelled data probabilities using the unlabelled data probabil- ities as a backoff. 4.1 Model Estimation We calculate the unlabelled data probabilities in the E-step using Equation 4. For labelled data ... using labelled data. The idea is to rely on probabilities from labelled data where they can be estimated reliably and to use probabili- ties from unlabelled data where the la...

Ngày tải lên: 19/02/2014, 19:20