large scale acquisition of paraphrases for learning surface patterns

Ngày tải lên: 23/03/2014, 17:20

... Meeting of the Association of Computational Linguistics, pages 912–919, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics A System for Large- Scale Acquisition of ... state -of- the-art performance on all three sets. 1 Introduction Research into automatic acquisition of lexical in- formation from large repositories of unannotated text (such as the web, corpora of ... enhancing the performance of state -of- art statistical systems and for improving the portability of these systems between domains. One type of lexical information with particular importance for NLP is...

Ngày tải lên: 17/03/2014, 04:20

... a large amount of dependency relations in Web documents. To our knowledge, no one else has performed this type of clustering on such a large scale. Wikipedia also produced a large gazetteer of ... learning community because of the need for learning from very large sets of data. Chu et al. (2006) presented the MapReduce framework for a wide range of machine learning algorithms, in- cluding the ... There- fore, performing the clustering with a vocabulary that is large enough to cover the many named entities required to improve the accuracy of NER is difficult. We enabled such large- scale...

Ngày tải lên: 20/02/2014, 09:20

Ngày tải lên: 18/06/2014, 19:20

Ngày tải lên: 20/06/2014, 03:20

Ngày tải lên: 20/06/2014, 22:20

... production of large- quanti- ties of high-purity (no metal catalysis contamina- tion) and ultralong (millimeters) SiO 2 nanowires (most of the wires have uniform diameters of $50 nm, while some of them ... Introduction In the development of nanotechnology, nano- scale optical wires are of both scientific and tech- nological interest because of their potential appli- cations for localization of light, low-dimensional waveguides, ... reveals the diameter distribution of the nanowires. As seen from this image, most of the wires have uniform diameters of $50 nm, while some of them have thinner diameters of 5–10 nm. A high-magnifica- tion...

Ngày tải lên: 16/03/2014, 15:03

... choice of verb features is crucial for the learning of verb classes. This pa- per presents clustering experiments on 168 German verbs, which explore the relevance of features on three levels of verb ... presents the clustering results for D1 and D2, with D2 distinguishing the amount of PP information (arg for arguments only, chosen for the manually defined PPs, all for all possible PPs). As ... clauses (i), finite clauses (s-2 for verb second clauses, s-dass for dass-clauses, s- ob for oh-clauses, s-w for indirect wh-questions), and copula constructions (k). For example, sub- categorising...

Ngày tải lên: 17/03/2014, 22:20

... in particular and to development of (the lex- icon of) large- scale computational grammars of natural language based on HPSG in general. As an I dmtc stands for directed_motion_to_contact. 2 FIG(URE) ... the spirit of the MRS-based analysis for the German verbs gieflen and fi,illen that we have pre- sented above, we propose that the semantic prop- erties of the arguments of one of the most ... location. (17) CONTENT value of sch/agend mtc l ' 2 schlagen-directed_motion_to_contact-rel immediate consequence, (the lexicon of) a large- scale computational grammar of German, like the one...

Ngày tải lên: 17/03/2014, 22:20

... which allows the synthesis of large amounts of multiwalled nan- otubes (MWNTs). A HRTEM image of one such represen- tative MWNT is shown in Fig. 4c. The interlayer spacing of 0.65 nm between the ... top of the inner MWNT. This could be explained by the formation of WS 2 in the vapour phase followed by the growth of WS 2 layers on the preexisting WS 2 nanotubes. When the reduc- tion period of ... Ministry for Research and Technology (BMBF) for the support of this research within the program “Multifunctional Materials and Miniaturized Devices” at the University of Mainz and the Deutsche Forschungsgmeinschaft...

Ngày tải lên: 19/03/2014, 16:48

... particular crystal surface, therefore, inhibiting the growth of these faces by lowering their surface energy. To investigate the influence of different ions on the formation of WO 3 naowires, other ... K 2 SO 4 induce the formation of the 1D nanostructures of h-WO 3 . However, the add ition of KNO 3 and LiBr only leads to the formation of microparticles. It is likely that only the sulfate could leads to the formation ... increases of the amount of sulfate from 0.5 to 1.0 g. (Figs. 8 and 9) Excess amounts of the sulfate had no obvious effect on the wire morphology and crystal form. The details of the effect of sulfate...

Ngày tải lên: 20/03/2014, 13:04

Ngày tải lên: 06/05/2014, 08:55

Ngày tải lên: 21/06/2014, 06:20

... results for algorithms 1 and 4 on the Europarl data (ep) for different devtest and test sets. Europarl data were used in all runs for train- ing and for setting the meta-parameter of number of epochs. ... an approach to scaling discrimina- tive learning for SMT not only to large feature sets but also to large sets of parallel training data. Since inference for SMT (unlike many other learn- ing problems) ... handful of dense features need to be tuned, minimum error rate training can be done on small tuning sets and is hard to beat in terms of accuracy and efficiency. In contrast, the promise of large- scale...

Ngày tải lên: 19/02/2014, 19:20

... exception in the AL for NLP field was the work of Hwa (2000), which makes a point of using # of brackets to measure cost for a syntac- tic analysis task instead of using # of sentences. Another ... Number of Foreign Words Annotated BLEU Score Number of Foreign Words Annotated the approx. 54,500 foreign words we selectively sampled for annotation cost = $205.80 last approx. 700,000 foreign ... active learning for sequence labeling. In Proceedings of the Joint Conference of the 47th An- nual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of...

Ngày tải lên: 20/02/2014, 04:20

... Cost-effective Lexical Acquisition for Large- scale Ontology Translation G. Craig Murray Bonnie J. Dorr Jimmy Lin Institute for Advanced Computer Studies University of Maryland {gcraigm,bdorr,jimmylin}@umd.edu ... thesaurus of 56,000 concepts used to catalogue a large archive of oral histories. Our experi- ments demonstrate a cost-effective tech- nique for accurate machine translation of large ontologies. ... (2005). Automatic acquisition of bilingual rules for extrac- tion of bilingual word pairs from parallel corpora. In Proceedings of the ACL-SIGLEX Workshop on Deep Lexical Acquisition (pp. 87-96)....

Ngày tải lên: 08/03/2014, 02:21

... wind-tunnel testing of small -scale models, wind-tunnel testing of large- scale of full -scale components, full -scale testing in the natural environment, and large- scale or full -scale testing of components ... Need for a Large- scale Test Facility for Research on the Effects of Extreme Winds on Structures Committee to Review the Need for a Large- scale Test Facility for Research on the Effects of Extreme ... the construction of a new facility. Copyright © National Academy of Sciences. All rights reserved. Review of the Need for a Large- Scale Test Facility for Research on the Effects of Extreme Winds...

Ngày tải lên: 08/03/2014, 19:20

Ngày tải lên: 23/03/2014, 17:20

... lecturers of the Faculty of English and students of the Faculty of Agro-biology raised the quality of teaching and learning reading English for Biology with IT recently? In fact, the students of the ... because of their limited proficiency of English. At HNUE, the non-English-major students rarely search ESP information on the Internet for study; they often search their professional information ... gender A bigger number of students (58%) had 6 to 11 years of learning English; 42% of the students had 2 to 5 years of learning English. Most of them had learnt English before they entered HNUE....

Ngày tải lên: 07/11/2012, 14:31

Ngày tải lên: 05/09/2013, 14:58