Báo cáo khoa học: "Combined One Sense Disambiguation of Abbreviations" potx

... sequence of letters, which is a shortened form of a word or a sequence of words, which is called the sense of the abbreviation. Abbreviation disambiguation means to choose the correct sense ... abbreviations. Each one of the abbreviations has between 2 to 8 relevant possible senses. The average number of senses for an abbreviation in the dataset is 3.27. To determin...

Ngày tải lên: 31/03/2014, 00:20

... model learning Sense tagged text semantic models SenseLearner definitions Word sense disambiguation Trained semantic models Sense tagged texts Figure 1: Semantic model learning in SENSE- LEARNER tagged ... using WordNet senses. We evaluate the accu- racy of SENSELEARNER on several stan- dard sense- annotated data sets, and show that it compares favorably with the best re- sults rep...

Ngày tải lên: 20/02/2014, 15:20

... of two senses of a word, one can incrementally aug- ment these seed examples with additional examples of each sense, using a combination of the one- sense- per-collocation and one- sense- per-discourse ... confidently exploited 189 as another source of evidence in sense tagging. 3 3 One Sense Per Collocation The strong tendency for words to exhibit only one se...

Ngày tải lên: 31/03/2014, 06:20

... disam- biguate the senses of an ambiguous word. This is done by comparing the co-occur- rence frequencies of particular context words. First, one context word repre- senting a certain sense is chosen, ... frequencies with two other context words, one of the same and one of another sense, are compared. As expected, it turns out that context words belonging to the same sense...

Ngày tải lên: 08/03/2014, 21:20

... the mental state of a person at one spe- cific moment in time can be encoded by a vector v of numerical values; one might, e.g., think of the level of excitation of neurons. Then, an external stimulus ... integra- tion of symbolic and distributional approaches, we propose a Compositional Matrix-Space Model (CMSM) which employs matrices instead of vec- tors and makes use of...

Ngày tải lên: 07/03/2014, 22:20

... the development of multiple diseases. Fibrosis is character- ized by the excess deposition of extracellular matrix (ECM) components, which is the end result of an imbalance of metabolism of the ECM ... large amounts of ECM leading finally to liver fibrosis [33]. A number of reports have demonstrated an impor- tant role of miRNAs during the activation of HSCs. Thus, measurement...

Ngày tải lên: 15/03/2014, 11:20

... disambiguates the sense of w and outputs a list of the senses of w, where each sense s i is assigned a probability according to the likelihood of s i appearing in that context. The sense inventory ... IMS achieves state -of- the-art results on several SensEval and SemEval tasks. 1 Introduction Word sense disambiguation (WSD) refers to the task of identifying the correct s...

Ngày tải lên: 23/03/2014, 16:20

... Japanese. parallel corpora, one language can be viewed as a semantic tag of the other language and vice versa, which allows for disambiguation of phenomena which are ambiguous in only one of the languages. We ... consists of a bag of elementary predi- cates (EPs) which are themselves composed of re- lations. Each line in Figure 1 corresponds to one EP. Relations are the el...

Ngày tải lên: 19/02/2014, 19:20

... estimators of ex- pected sense distribution: • Internal relevance of a word sense, measured as incoming links for the URL of a given sense in Wikipedia. • External relevance of a word sense, measured as ... diversity in terms of this subset of senses. Table 3 displays the number of different senses found at different depths in the search results rank, and the average propo...

Ngày tải lên: 20/02/2014, 04:20

... context, sense disambiguation is performed only for the target word; substitu- tion is then applied only if the target word’s sense matches at least one of the possible senses of the source word. One ... synonym to play the role of the source word. This was done by creating a list of all WordNet synonyms of the target word, under all its possible senses, and picking random...

Ngày tải lên: 20/02/2014, 12:20