annotating and recognising named entities

... Research Workshop, pages 18–26, Suntec, Singapore, 4 August 2009. c 2009 ACL and AFNLP Annotating and Recognising Named Entities in Clinical Notes Yefeng Wang School of Information Technology The ... the 60 million token corpus, Abbreviations and short- hand were expanded, for example defib expands to defibrillator. Table 3 shows some unknown to- kens and their resolutions. The proofreading re- quire ... a lexicon for recognising concept semantic classes, word qualifiers, phrases, and parses the text using its own grammar, and maps phrases to standard medical vocabularies for clinical findings and dis- ease....

Ngày tải lên: 08/03/2014, 01:20

... CANDIDATES RE-RANKER RE-RANKED TRANS. CANDIDATES CANDIDATE GENERATOR TRANSLATION CANDIDATES Figure 1: A sketch of our named entity translation system. 3 Producing Translation Candidates Named ... also provide the category and sub-category of a phrase (e.g., ENTITY NAME, and PERSON). Different types of named entities are translated differently and hence our candidate generator has a specialized module ... phrases, and monetary expressions. While the identifica- tion of named entities in text has received sig- nificant attention (e.g., Mikheev et al. (1999) and Bikel et al. (1999)), translation of named entities has...

Ngày tải lên: 08/03/2014, 07:20

Ngày tải lên: 23/03/2014, 16:20

... the command line like this: fsc -a Lib.fsi Lib.fs which results in an assembly named Lib.dll with one class named Lib, one public function named funkyFunction, and one private function named notSoFunkyFunction. Module ... sparingly and with great caution, because it can quickly make code difficult to understand and maintain. I n F# optional compilation is suppor ted by the compiler switch define FLAG and the command ... 1.0, 1.1, and 2.0 and covers compiler options. Comments F# provides two kinds of comments. Multiline comments start with a left parenthesis and an asterisk and end with an asterisk and a right...

Ngày tải lên: 05/10/2013, 10:20

Ngày tải lên: 18/02/2014, 05:20

... Linguistics, 32(3):379–416. Andrew Wilson and Jenny Thomas. 1997. Semantic an- notation. In R. Garside, G. Leech, and A. McEnery, editors, Corpus Annotation. Longman, London. Tong Zhang and Frank J. Oles. ... decided. . . and principles of school manage- ment) and in-context interpretation is closer to the dynamic of real-world language use. Context can both help and hinder agreement, and it is not ... 1% of the data. Nastase and Szpakowicz’ scheme mitigates this problem by the presence of 5 supercategories. Each of these proposals has its own advantages and drawbacks, and there is a need for...

Ngày tải lên: 20/02/2014, 12:20

... prepares a memorandum that summarizes any findings and recommendations identified in the audits for Agency tracking and action. The memorandum must either clearly identify monetary and procedural ... General, and any other duly authorized representative auditor must have access to all pertinent books, documents, and records of recipients and subrecipients in order to perform audits and examinations, ... Contractors, Recipients, and Host Government Entities 591.1 OVERVIEW Effective Date: 12/04/1998 The chapter provides the policy directives and required procedures for planning and conducting...

Ngày tải lên: 15/03/2014, 20:20

... Lafferty, Andrew McCallum, and Fernando C. N. Pereira. 2001. Conditional random fields: Probabilis- tic models for segmenting and labeling sequence data. In ICML, pages 282–289. Andrew Mccallum and ... Anand Karandikar, Nicholas Keller, Justin Martineau, and Mark Dredze. 2010. Annotating named entities in twitter data with crowd- sourcing. In CSLDAMT, pages 80–88. Jenny Rose Finkel and Christopher ... CoNLL-2003 shared task: language- independent named entity recognition. In HLT- NAACL, pages 142–147. Yefeng Wang. 2009. Annotating and recognising named entities in clinical notes. In ACL-IJCNLP,...

Ngày tải lên: 17/03/2014, 00:20

... Type (A), Type (B), and (A)+(B). We also plotted recall- precision curves 5 , altering threshold parameters, as shown in Figure 3. The comparison between STR and STR-CT and between STR and STR-CS in ... 73.7%, and increased recall by 6.7%, up to 56.8%, and thus contributed to relation detection. In future work, we plan to solve the problems re- lating to parallel sentence and definite anaphora, and address ... (A): intra-sentential, and (B): inter-sentential, in Table 2 indicate that the proposed method contributed to both Type (A), improving precision by about 4.5% and recall by about 5.4% and Type (B), improving precision...

Ngày tải lên: 17/03/2014, 04:20

Ngày tải lên: 17/03/2014, 06:20

Ngày tải lên: 24/03/2014, 03:20

Ngày tải lên: 24/03/2014, 03:20

Ngày tải lên: 29/03/2014, 22:20

Ngày tải lên: 31/03/2014, 01:20

Ngày tải lên: 14/06/2014, 09:27

... keyword types and sentence types. Mining comparative entities and predicates (Task 2): Our basic idea for the second task is selecting candidates first and finding answers from the candidates ... Comparative Entities and Predicates (Task 2) This section explains how to extract comparative entities and predicates. Our strategy is to first detect Comparative Element candidates (CE- candidates), ... probability of CE-candidates using MEM and SVM. Both MEM and SVM showed outstanding performance; there was no significant difference between the two machine learning methods (SVM and MEM). Hence,...

Ngày tải lên: 20/02/2014, 04:20

... (Cucerzan and Yarowsky, 1999) and (Collins and Singer, 1999) present algorithms to obtain NEs from untagged corpora. However, they focus on the classification stage of already segmented entities, and ... our preliminary work in (Kle- mentiev and Roth, 2006) to discover multi-word Named Entities and to take advantage of a dictio- nary (if one exists) to handle NEs which are par- tially or entirely ... transliteration candidates in another lan- guage. Time sequence scoring is then used to re- rank the list and choose the candidate best tem- porally aligned with the NE. Pairs of NEs and the best candidates...

Ngày tải lên: 20/02/2014, 12:20

... N 1 and N 2 are the sets of nodes in trees T 1 and T 2 , respectively, and () i subtree In is a function that is 1 iff the subtree i occurs with root at node n and zero otherwise, and ... and significantly outperforms the previ- ous two dependency kernels 4 . This may be due to two reasons: 1) the dependency tree (Culotta and Sorensen, 2004) and the shortest path (Bunescu and ... types and 24 relation subtypes. The ACE 2004 data contains 451 documents and 5702 relation instances. It redefines 7 entity types, 7 major re- lation types and 23 subtypes. Since Zhao and Grishman...

Ngày tải lên: 20/02/2014, 12:20

... to segment named entities and then uses a distantly su- pervised approach based on LabeledLDA to clas- sify named entities. Unlike this work, our work de- tects the boundary and type of a named entity ... Anand Karandikar, Nicholas Keller, Justin Martineau, and Mark Dredze. 2010. Annotating named entities in twitter data with crowd- sourcing. In CSLDAMT, pages 80–88. Jenny Rose Finkel and Christopher ... of {f i m } and {f ij mn }, f i m = f i m (y i−1 m , y i m ) and f ij mn = f ij mn (y i m , y j n , z ij mn ); E stands for edges, which de- pends on F , and consists of edges between y i−1 m and y i m ,...

Ngày tải lên: 07/03/2014, 18:20

... starting points and select the earliest ones. If two or more candidates start at the same point, their ending points are compared and the longest candidate is selected. Therefore, the candidates overlapping ... the selected candidate are removed from the candidate set. Thisprocedure is repeated until the candidate set becomes empty. The rank of a candidate starting at the - th word boundary and ending ... the candidate for the definition of . According to this ordering, two candidates can have the same rank. One of them might assert that a certain word is an organization’s name and an- other candidate...

Ngày tải lên: 08/03/2014, 05:20