Báo cáo khoa học: "Named Entity Recognition without Gazetteers" ppt

... Proceedings of EACL '99 Named Entity Recognition without Gazetteers Andrei Mikheev, Marc Moens and Claire Grover HCRC Language Technology ... Named Entity recognition involves processing a text and identifying certain occurrences of words or expressions as belonging to particular cate- gories of Named Entities (NE). NE recognition ... then had 5 days to perform the c...

Ngày tải lên: 24/03/2014, 03:20

... is a whole entity and 1/2/3 means that current word is at the beginning/in the middle/at the end of an entity. 2) Entity Category: EC. This is used to denote the class of the entity name. ... proposes a Hidden Markov Model (HMM) and an HMM-based chunk tagger, from which a named entity (NE) recognition (NER) system is built to recognize and classify names, times and numeric...

Ngày tải lên: 17/03/2014, 08:20

... years. Named Entity processing consists of two steps, which are usually approached sequentially. First, NEs are detected in the text, and their boundaries delimited (Named Entity Recognition, ... Barcelona Icarreras,lluism,padroWsi.upc.es Abstract This work studies Named Entity Recog- nition (NER) for Catalan without mak- ing use of annotated resources of this language. The approach...

Ngày tải lên: 17/03/2014, 22:20

... the entity, m is a message containing the entity name (i.e., any n i ), and c ∈ {, } is a binary variable that specifies whether or not the entity name in m refers to the desired real-world entity ... Amazonas {agdavis,adrianov,meira,laender}@dcc.ufmg.br alti@dcc.ufam.edu.br Abstract The named entity disambiguation task is to re- solve the many-to-many correspondence be- tween ambig...

Ngày tải lên: 30/03/2014, 17:20

... 2006. c 2006 Association for Computational Linguistics Incorporating speech recognition confidence into discriminative named entity recognition of speech data Katsuhito Sudoh Hajime Tsukada Hideki Isozaki NTT ... Japan {sudoh,tsukada,isozaki}@cslab.kecl.ntt.co.jp Abstract This paper proposes a named entity recog- nition (NER) method for speech recogni- tion results that uses confidence...

Ngày tải lên: 17/03/2014, 04:20

... Linguistics Exploring Entity Relations for Named Entity Disambiguation Danuta Ploch DAI-Labor, Technische Universit ¨ at Berlin Berlin, Germany danuta.ploch@dai-labor.de Abstract Named entity disambiguation ... information retrieval or topic detec- tion and tracking. Named entity disambigua- tion is challenging because entity mentions can be ambiguous and an entity can be refer- e...

Ngày tải lên: 23/03/2014, 16:20

... et al. Structural basis for peptide recognition by NarJ FEBS Journal 277 (2010) 1886–1895 ª 2010 The Authors Journal compilation ª 2010 FEBS 1895 Basis of recognition between the NarJ chaperone ... Here we addressed the question of the structure adopted by the N-terminus of NarG dur- ing the recognition process. At first, we synthesized two peptides [NarG(1–15) and NarG(1–28)] and solved...

Ngày tải lên: 16/02/2014, 14:20

... might have evolved from RNA to protein recognition. Although these RRM proteins do not bind RNA, they are all implicated in RNA-related functions such as recognition of the exon junction (Y14), ... Structural basis for recognition of AU-rich element RNA by the HuD pro- tein. Nat Struct Biol 8, 141–145. 36 Mazza C, Segref A, Mattaj IW & Cusack S (2002) Large-scale induced fit recognit...

Ngày tải lên: 19/02/2014, 17:20

... mention should belong to an entity. The entity- level features are calculated with an “Any-X” strategy: an entity- mention pair would be assigned a feature X, if any mention in the entity has the feature ... individual mention in an entity. In the next section, we will present a more expressive entity- mention model by using ILP. 4 Entity- mention Model with ILP 4.1 Motivation The e...

Ngày tải lên: 20/02/2014, 09:20

... Chinese Word Segmentation without Using Lexicon and Hand-crafted Training Data Sun Maosong, Shen Dayang*, Benjamin K Tsou** ... step in any Chinese NLP system. This paper presents a new algorithm for segmenting Chinese texts without making use of any lexicon and hand-crafted linguistic resource. The statistical data required ... Palmer(1997) conducted a Chinese segrnenter which mer...

Ngày tải lên: 20/02/2014, 18:20