Báo cáo khoa học: "Distributional Representations for Handling Sparsity in Supervised Sequence-Labeling" pptx

... gasolines on newer engines.” In a common dataset for NP chunking, the word “re- formulated” never appears in the training data, but appears four times in the test set as part of the NP “reformulated ... trend is for HMM smoothing to outperform LSA, which in turn outperforms TF and TF-IDF. HMM tagging performance on OOV terms improves by 11%, and chunking performance by 21%. Taggin...

Ngày tải lên: 17/03/2014, 01:20

... the split of discussants into subgroups of opposing views. The system uses an unsupervised approach based on rule-based opinion target detecting and unsupervised clustering techniques. The system ... members of opposing subgroups. For example, consider the following snippet taken from a debate about school uniform 1 www.politicalforum.com, www.createdebate.com, www.forandagainst.com, etc (1...

Ngày tải lên: 16/03/2014, 20:20

... available for our training corpus, we could exploit that in the initial label- ing phase for the design of the unit selection system. (2) Weighted finite-state transducer representa- tion. In addition ... estimated using a statistical n-gram language model over units. Two questions naturally arise. (a) How can we collect a training corpus for build- ing a statistical model? Ideally,...

Ngày tải lên: 23/03/2014, 19:20

... the string including errors from the String- Database (the former string is referred to as the Similar-String, and the latter as the Error-String). Finally, the correction is made using the ... K (2 in the experiment) characters before and after an error-block in the Error-String, am found in the Similar- String, take out the string (denoted C) between A and B in 1 For detect...

Ngày tải lên: 20/02/2014, 18:20

... constructing a probabilistic dictionary (Table 3) for use in aligning words in machine translation (Brown et al., 1990), or for constructing a bilingual concordance (Table 4) for use in lexicography ... French According to our survey, 1988 sales of mineral water and soft drinks were much higher than in 1987, reflecting the growing popularity of these products. Cola drin...

Ngày tải lên: 20/02/2014, 21:20

... context-free one -for- one matching of indivldual characters, its cognation decisions are bettered by a trained linguist using more information only in cases of wordllsts sharing less than 40% ... This is not surprlsing, since there is Do significant difference in the degrees of certainty corresponding to z scores of 4 and beyond. The last improvement in the performance of the...

Ngày tải lên: 21/02/2014, 20:20

... differenti- ation in interleukin (IL)-3-containing medium were analyzed for total intracellular b-hexosaminidase activity. Results are expressed as percentages, where the b-hexosaminidase content in SG + ... Laborat- ories, Burlingame, CA) was used as secondary antibody (1 : 100 dilution in NaCl ⁄ P i ). Staining was performed with a standard protocol using the biotin–avidin-based Vec...

Ngày tải lên: 07/03/2014, 11:20

... incorporated to a P o constructing a compound preposition. In this way tagging prepositions and parsing texts in Natural Language Processing is defined in a proper manner. 1 Introduction Prepositions ... functions in Farsi and at the same time very important roles in linguistics especially in computational linguistics. Most of the linguists consider them as members of...

Ngày tải lên: 08/03/2014, 02:21

... some fuzziness about the difference between investigating relationships among sounds for their own sake and relating sounds to the rest of lan- guage. There was something especially fitting about ... grammar. The second is in going over data that were collected under condi- tions that did not permit systematic, thoroughgoing ex- amination of phonology, as, for example, in the li...

Ngày tải lên: 16/03/2014, 19:20

... breaking down compound questions into in- dividual questions). This resulted in a realistic tu- toring setup, which presents interesting challenges to language processing components, involving ... shown in Figure 2. The system uses a standard interpretation pipeline, with domain-independent parsing and generation components supported by domain specific reason- ers for decision making....

Ngày tải lên: 17/03/2014, 00:20