Báo cáo khoa học: "Correcting a PoS-tagged corpus using three complementary methods" pot
... a large fine- grained tagset, because in such cases a large ratio of the variation n-grams may actually reflect true ambiguity rather than inconsistent tagging. Another example of a method, based ... a variation and the word(s) exhibiting the variation is called a variation nucleus (Dickinson and Meurers, 2003). A particular variation is thus a possible candidate for an error. The...
Ngày tải lên: 31/03/2014, 20:20
... EACL '99 Encoding a Parallel Corpus for Automatic Terminology Extraction Johann Gamper European Academy Bolzano/Bozen Weggensteinstr. 12 /A, 39100 Bolzano/Bozen, Italy j gamper@eurac, ... encoding a text corpus, which serves as a basis for applying term extraction programq. 1 Introduction Text corpora are valuable resources in all areas dealing with natural language p...
Ngày tải lên: 24/03/2014, 03:20
... name tagger based on co-training de- cays as the time gap between training data (seeds and unlabeled data) and test data increases (Mota and Grishman, 2008). Compared to the original classifier ... USA grishman@cs.nyu.edu Abstract For many NLP tasks, including named en- tity tagging, semi-supervised learning has been proposed as a reasonable alternative to methods that require annotating lar...
Ngày tải lên: 20/02/2014, 09:20
Báo cáo khoa học: "Correcting errors in speech recognition with articulatory dynamics" pot
... database, and 32 ms in MOCHA. Phoneme boundaries are de- termined automatically in the MOCHA database by forced alignment, and by a speech-language pathologist in the TORGO database. We approximate ... 0.27 0.25 Table 3: Average difference between predicted tract variables and observed data, on [0, 1] scale. (*) Nasals are evaluated only with MOCHA data, since TORGO data lacks velum measure...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: "CORRECTING ILLEGAL NP OMISSIONS USING LOCAL FOCUS" pdf
... (thematic) agent of the sentence. The Potential Actor Focus List (PAFL) contains all NP's that specify an ani- mate element of the database but are not the agent of the sentence. Tracking ... use of a separate actor focus. However, we think that the example they use does not argue against a separate actor focus, but illustrates the need for extensions to Sial- her's algo...
Ngày tải lên: 17/03/2014, 08:20
Báo cáo khoa học: Ixocarpalactone A isolated from the Mexican tomatillo shows potent antiproliferative and apoptotic activity in colon cancer cells pot
... 20 Caceres A, Alvarez AV, Ovando AE & Samayoa BE (1991) Plants used in Guatemala for the treatment of respiratory diseases. 1. Screening of 68 plants against gram-positive bacteria. J Ethnopharmacol ... known as a tomatillo, is a staple of the Mesoamerican cuisine. In our laboratory, an ethyl acetate-soluble extract and four withanolides [ixocarpalactone A (IxoA), ixocarpalac- tone...
Ngày tải lên: 23/03/2014, 10:20
Báo cáo khoa học: "Compiling a Massive, Multilingual Dictionary via Probabilistic Inference" pot
... mskinner@google.com Abstract Can we automatically compose a large set of Wiktionaries and translation dictionar- ies to yield a massive, multilingual dic- tionary whose coverage is substantially greater than that ... lexical translations between two languages that do not share a translation dictionary. For exam- ple, our algorithm can conclude that Basque word ‘udaherri’ is a translat...
Ngày tải lên: 30/03/2014, 23:20
Báo cáo khoa học: "Historical Change in Language Using Monte Carlo Techniques" potx
... grammar. Individuals with command of more than one language may be associated with additional gram- mars. A grammar consists of a set of rules for either parsing or generating forms in a particular ... Pennsylvania, and System Development Corporation, Santa Monica, California† A system has been programmed in JOVIAL to serve as a vehicle for test- ing hypotheses about language c...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "Machine Translation System Combination using ITG-based Alignments∗" pot
... offer alternatives. One must then ∗ This work was partially supported by the DARPA GALE program (Contract No HR0011-06-2-0001). Also, we would like tothank the IBM Rosetta team for the availability ... how the target words in each translation align back to the source words. In fact, it only requires a procedure for cre- ating pairwise alignments of translations that allow appropriate re-ord...
Ngày tải lên: 31/03/2014, 00:20
Tài liệu Báo cáo khoa học: "Creating a manually error-tagged and shallow-parsed learner corpus" pptx
... corpus Ryo Nagata Konan University 8-9-1 Okamoto, Kobe 658-0072 Japan rnagata @ konan-u.ac.jp. Edward Whittaker Vera Sheinman The Japan Institute for Educational Measurement Inc. 3-2-4 Kita-Aoyama, Tokyo, ... Lee and Seneff, 2008; Nagata et al., 2004; Nagata et al., 2005; Nagata et al., 2006; Tetreault et al., 2010b). This is one of the most active research areas in natural language process...
Ngày tải lên: 20/02/2014, 04:20