machine learningbased coreference resolution of concepts in clinical documents

Ngày tải lên: 27/06/2014, 16:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

Ngày tải lên: 07/07/2014, 01:20

... extraction of terminological noun phrases. In Proceedings of COLING'92, pages 977-981, Nantes, France. Mark Dras. 1997. Representing paraphrases us- ing synchronous tree adjoining grammars. In ... terminologist in the construction of a structured terminology (cf. figure 1) pro- viding : • terms of a domain, i.e. simple or com- plex lexical units pointing out accurate con- cepts in ... d'investissement de la ligne (cost of investissement of the line) d6clenchement de la ligne 9 (tripping of the line) E longueur de la ligne (size of the line) puissance caract@ristique...

Ngày tải lên: 23/03/2014, 19:20

... including the number of documents, annotated CEs, coreference chains, annotated CEs per chain (average), and number of documents in the train/test split. We use st to indicate a standard train/test ... outline the differences between the MUC and ACE coreference resolution tasks, and define terminology for the rest of the paper. Noun phrase coreference resolution is the pro- cess of determining ... runs using an optimal threshold (box 3) for the experiment as de- termined by using the test set. In all remaining ex- periments, we learn the threshold from the training set as in the BASELINE...

Ngày tải lên: 30/03/2014, 23:20

... given in Fig.1. In Fig.l, verbs associated are limited to a few ones such as Do (obJ = musical instrument)~ Pla~ (obJ = musical instrument). Becsuse, from the definition of musical instrument ... (1) Find a pair of verb and associated transla- tion equivalent (Do, Play : ~9-& ) that can be associated in common to a part of the structure of the categories as in Fig.l, and then find ... nouns belonging to nearby categories in the given concepts structure and find a nouns group to which we associate the translation equivalent. In this manner, we can find pairs of verb and...

Ngày tải lên: 31/03/2014, 17:20

... human beings. We no longer are dealing with Fisher’s dierent strains of seeds, strewn on diering kinds of soil in a randomized trial. We now have human beings, not seeds, and the resulting clinical ... baseline manic-switch rate of about 5% over two months of observation, and further assume that the minimal “clinically” relevant dierencetobedetectedisadoublingofalleventsata10%rateinthelamotriginegroup, the ... conrmatory, of any hypothesis). Clinical example: olanzapine prophylaxis of bipolar disorder In an RCT of olanzapine added to standard mood stabilizers (divalproex or lithium) for prevention of mood...

Ngày tải lên: 01/11/2013, 11:20

... the training data to measure the impact of each of the four subsets of features explained in Section 3. Ta- ble 3 shows the cross validation results when cu- mulatively adding each set of features. ... Stages of Clinical In- formation Extraction: the State of the Art at i2b2 2010. J Am Med Inform Assoc. Chih-Chung Chang and Chih-Jen Lin, LIBSVM: a Li- brary for Support Vector Machines, 2001. ... Syntactic Features: Part -of- speech tags of the three words preceding the medical term and the three words following it. 312 create one classifier for each type of label using instances with that...

Ngày tải lên: 20/02/2014, 05:20

... pruning for machine learning of coreference rules. In Proc. of EMNLP, pages 55–62. V. Ng and C. Cardie. 2002b. Improving machine learn- ing approaches to coreference resolution. In Proc. of the ... knowledge mining for coreference resolution. In Proc. of NAACL, pages 55–62. R. Iida, K. Inui, H. Takamura, and Y. Matsumoto. 2003. Incorporating contextual cues in trainable models for coreference resolution. ... applications. In Proc. of the ACL. C. M¨uller, S. Rapp, and M. Strube. 2002. Applying co- training to reference resolution. In Proc. of the ACL, pages 352–359. V. Ng and C. Cardie. 2002a. Combining sample...

Ngày tải lên: 20/02/2014, 15:20

... Yang Department of Electrical Engineering University of Washin g ton Seattle, WA, USA yangmei@ee.washington.edu Katrin Kirchhoff Department of Electrical Engineering University of Washin g ton Seattle, ... cross-language information re- trieval. More recently, (Xi and Hwa, 2005) have used backoff models for combining in- domain and 42 Phrase-Based Backoff Models for Machine Translation of Highly In ected Languages Mei ... off” to the more gen- eral distribution. Backoff models have been used in a variety of ways in natural language process- ing, most notably in statistical language modeling. In language modeling,...

Ngày tải lên: 22/02/2014, 02:20