Báo cáo khoa học: "Guessing Parts-of-Speech of Unknown Words Using Global Information" ppt

... conclusions. 2 POS Guessing of Unknown Words with Global Information We handle POS guessing of unknown words as a sub-task of POS tagging, in this paper. We assume that POS tags of known words are already ... unknown words appear are also identified. Thus, we focus only on prediction of the POS tags of unknown words. In the rest of this section, we first presen...

Ngày tải lên: 23/03/2014, 18:20

... Proceedings of the 43rd Annual Meeting of the ACL, pages 26–33, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Supersense Tagging of Unknown Nouns using Semantic Similarity James ... num- ber of contexts are large enough to ensure it is reliable. We have experimented with a wide range of cutoffs and the best performance on the 1.6 test set was achieved u...

Ngày tải lên: 31/03/2014, 03:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 324–332, Suntec, Singapore, 2-7 August 2009. c 2009

Ngày tải lên: 20/02/2014, 07:20

... Over the set of 5 semantic rela- tions defined by Nastase and Szpakowicz (2003), they achieve an accuracy of 45.7% for the task of assigning one of 5 semantic relations to each of the 600 modifier-noun ... conditions, and again using all of the joining terms produced the best results. The SVM algorithm produced the best accuracy of all, achieving 50.1% accuracy using...

Ngày tải lên: 20/02/2014, 12:20

... application of the method is auto- matic or semi-automatic compilation of a glossary or technical-term dictionary for a certain domain. Re- cursive application of the method enables to collect a list of ... Web by using search engines and produces a dozen technical terms that are closely related to the seed word. 2 System Figure 1 shows the configuration of the system. The system c...

Ngày tải lên: 20/02/2014, 16:20

... Google AdWords, to measure message impact in an ecological setting. The paper in- cludes a description of the approach, tips for how to use AdWords for scientific research, and results of pilot ... experimentally exploring other aspects of the wide field of pragmatics. The paper is structured as follows: Section 2 dis- cusses the main advantages of ecological approaches using Google...

Ngày tải lên: 07/03/2014, 18:20

... number of gold links outside of [k, ) but within [g, h). Above, the heuristic is 1, which is also the minimal number of alignment errors that an ITG alignment will incur using this bispan. A g using ... evaluations using a hand-aligned portion of the NIST MT02 test set, which consists of 150 training and 191 test sen- tences (Ayan and Dorr, 2006). We trained the baseline HMM...

Ngày tải lên: 07/03/2014, 22:20

... prevent us from using it on a corpus other than the training corpus. Both of the drawbacks below are brought about by the small size of the parallel corpus: • Out -of- vocabulary words: many Arabic ... phase was adapted to use the sum of the weights of a word in a sentence instead of the count. 2.3 Candidate Stem Scoring As previously mentioned, each word has a list of substrin...

Ngày tải lên: 08/03/2014, 04:22

... phonetic list is in face made up of smaller lists of the individual phonetic representations of the English words. There is a straight forward substitution of the special symbol in the list ... comprehensive analysis of stress assignment in English, rather it is a brief review of some of the most important acoustic factors which together go to make up the perceptual p...

Ngày tải lên: 09/03/2014, 01:20

... content of approximately 5.4% (Table 2). From the overall sugar content (HPAEC) and the estimated sugar contents of the indi- vidual glycoforms (MALDI-TOF-MS), the proportions of glycoforms I ... method of Bradford adapted to a microtiter plate [13] using BSA as standard. Protein concentration of pure enzyme was deter- mined from the absorbance at the Soret region using a value...

Ngày tải lên: 16/03/2014, 13:20