Báo cáo khoa học: "Automatic Discovery of Named Entity Variants – Grammar-driven Approaches to Non-alphabetical Transliterations" pptx

... Proceedings of the ACL 2007 Demo and Poster Sessions, pages 15 3–1 56, Prague, June 2007. c 2007 Association for Computational Linguistics Automatic Discovery of Named Entity Variants – Grammar-driven Approaches ... characteris- tics of a transliterated NE’s in CGC are exploited to allow discovery of transliteration variations without referring to original NE....

Ngày tải lên: 17/03/2014, 04:20

... Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web Joohui An Dept. of CSE POSTECH Pohang, Korea 790-784 minnie@postech.ac.kr Seungwoo Lee Dept. of CSE POSTECH Pohang, ... and subsequently the porting of a machine learning sys- tem to another domain is much easier than that of a rule-based one. Various supervised learning meth- ods for Named Entity (NE)...

Ngày tải lên: 08/03/2014, 04:22

... effectiveness of the proposed method. 2 Extraction of Japanese Named Entity 2.1 Task of the IREX Workshop The task of NE extraction of the IREX workshop (Sekine and Eriguchi, 2000) is to recognize ... (kyou) (today) Noun–Adverbial 今日 (kyou) (today) Noun–Adverbial 1, 0, 0, 0 O の (no) gen Particle の (no) gen Particle 0, 1, 0, 0 O 石狩 (Ishikari) (Ishikari) Noun–Proper 関...

Ngày tải lên: 20/02/2014, 09:20

... source of fresh information. As a re- sult, the task of named entity recognition (NER) for tweets, which aims to identify mentions of rigid designators from tweets belonging to named- entity types ... Hereafter, we use t m to denote the m th tweet ,t i m and y i m to denote the i th word of of t m and its BILOU label, respectively, and f i m to denote the factor relat...

Ngày tải lên: 07/03/2014, 18:20

... range of types of entities are often named In software man- uals, for example, named- entity expressions in- 259 clude names of menu items, dialogue boxes, soft- ware systems, etc. While named- entity ... translations. 2 The Named- Entity Phrase Translation Task Named- entity expressions (Chinchor and Marsh, 1997) are any words or phrases that name a spe- cific entity. Wh...

Ngày tải lên: 17/03/2014, 22:20

... Linguistics Automatic Extraction of Lexico-Syntactic Patterns for Detection of Negation and Speculation Scopes Emilia Apostolova DePaul University Chicago, IL USA emilia.aposto@gmail.com Noriko Tomuro DePaul ... children (starting from the root of the subtree) to the rule pattern subtree. Nodes of type *scope* and * match any number of nodes, similar to the semantics of Regex...

Ngày tải lên: 20/02/2014, 04:20

... classes of gazetteers. For example, we can use automatically extracted hyponymy relations (Hearst, 1992; Shinzato and Torisawa, 2004), or au- tomatically induced MN clusters (Rooth et al., 1999; Torisawa, ... running on a cluster of PCs with a moderate amount of memory (e.g., 8 GB). First, we decided to store the training examples on a file since otherwise each node would need to sto...

Ngày tải lên: 20/02/2014, 09:20

... tree kernel (K T ) with respect to the size of the two trees, we need to focus only on the part relevant to the implication. The anchored leaves are good indicators of rel- evant parts but also ... t, the set of its nodes N (t), and a set of anchors, we build a tree t  with all the nodes N  that are anchors or ancestors of any anchor. Moreover, we add to t  the leaf nodes...

Ngày tải lên: 20/02/2014, 12:20

... are two sentences in each of the 454 (1) kono software-no riten-ha hayaku ugoku koto this software-POST advantage-POS T quickly run to The advantage of this software is to run quickly. (2) ketten-ha jikan-ga ... pres- 453 ence of opinion sentences are called indicators. Indicators for positive sentences are called positive indicators. ’Pros’ is an example of positive indi- cator....

Ngày tải lên: 20/02/2014, 12:20

... linked to Internet shopping malls such as ama- zon.com and epinions.com. The purpose of re- views in complaints.com is to share consumers’ mostly negative experiences and alert businesses to customers ... encourage people to buy more products or to use more services. Despite its significance, however, there is no hand-annotated data that we can use to build a system to i...

Ngày tải lên: 20/02/2014, 12:20