Báo cáo khoa học: "Model-Portability Experiments for Textual Temporal Analysis" potx

... Association for Computational Linguistics:shortpapers, pages 271–276, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Model-Portability Experiments for Textual Temporal ... Figure 4 compare perform- ance on the original TempEval data to performance on the re-annotated version. We now see the same trends for the TempEval data as were observ...

Ngày tải lên: 30/03/2014, 21:20

... over all possible valid translations t for a particular input sentence s. We can initialize this probability distribution to the uniform distribu- tion for each sentence s in the unlabeled data ... Algorithm 1 we run it for a fixed number of iterations and instead focus on finding useful def- initions for Estimate, Score and Select that can be experimentally shown to improve MT performa...

Ngày tải lên: 08/03/2014, 02:21

... bracketing for a given noun sequence, known to form a compound noun, without knowledge of the context. E.G.: (pottery (coffee mug)); ((coffee mug) holder) Corpus Statistics: The need for wide ... ordered pair of thesaurus categories (ti, t2) using the formula below. CA(t1, t2) is the mutual information between the categories, weighted for ambiguity. It measures the degree to wh...

Ngày tải lên: 08/03/2014, 07:20

... selects for a misspelling w the word r in the dictionary for which the product is maximized. In our experiments we used a uniform source language model over the words in the dictio- nary. Therefore ... correspond to nothing (i.e., are silent). For example, the entry in NETtalk (when we remove the empties, which contain information for phone level alignment) for the word able is AB...

Ngày tải lên: 17/03/2014, 08:20

... sub-categories. We analyze semantic features for nouns and pronouns classified into sub-categories and we present a system for semantic markers. Lexicon formats for syntactic and semantic features ... Lexicon File Format__in LISP S-express " otoj~ Kn~ty-v~ct~r ~ia&er -li~t o ] /~(OoO ) • 3 ~ MFR;mor~aol~cal feature • for ~ZtiOn t~r¢l; ~Olmorm%ol~cal f~we for...

Ngày tải lên: 17/03/2014, 19:21

... basis for the construction of knowledge maps useful both as computational knowledge representations and as learning re- sources for presentation to the student. 2 Related Work Our work is informed ... of very fine granularity and therefore graphs that may not be suitable for presentation to a student. Multi-document summarization (MDS) re- search also informs our work. XDoX analy...

Ngày tải lên: 23/03/2014, 17:20

... Figure 1) or MS-NBC. For example, the structure for the Jim Lehrer News Hour provides not only segmentation information but also content information for each segment. Thus, the order of stories ... content-based information browsing, retrieval, extraction, and summarization to ensure their value for tasks such as real-time profiling and retrospective search. Whereas image proc...

Ngày tải lên: 23/03/2014, 19:20

... process for identifying semantic analysis tasks relevant to natural lan- guage understanding, and for assessing their potential impact on NLU system performance. Research on Recognizing Textual ... developing ad-hoc solutions for them. In this paper we challenge the NLP community to contribute to a joint, long-term effort to iden- tify, formalize, and solve textual inference prob- l...

Ngày tải lên: 30/03/2014, 21:20

... the patient has options for ‘survival’ that they did not have before, even though they are dependent on ‘life support’. There are now variables Commentary Medical treatment for the terminally ill: ... to accept the pie in the sky bye and bye long shot cure’. If the patient can just be maintained comfortably for long enough, then a cure may eventually become possible. 3. Surrogates disli...

Ngày tải lên: 25/10/2012, 10:45

... malignant transformation. Lectin microarray – a powerful technology for selection of lectins for cancer glyco-biomarkers The lectin microarray system is an emerging technique for analyzing glycan ... microarray system is the best tool for a ‘cell profiler’, and it is expected to be applicable for selection of cancer-specific lectins and for quality control of stem cells before trans...

Ngày tải lên: 16/02/2014, 08:20