Báo cáo khoa học: "On-Demand Information Extraction" potx

... such as Personal Information, Education etc. Then within each general information block, detailed information pieces can be found, e.g., in Personal Information block, detailed information such ... shown in Table 1, 7 general information fields are defined. Then, for Personal Information, 14 detailed information fields are designed; for Education, 4 detailed information fi...

Ngày tải lên: 20/02/2014, 15:20

... Saarbrücken, Germany sprout@dfki.de Abstract This paper presents a novel information sys- tem integrating advanced information extrac- tion technology and automatic hyper-linking. Extracted ... viable in supporting diverse information discovery and management tasks. Similarly, automatic hyperlinking is a matu- ring technology designed to interrelate pieces of information, usi...

Ngày tải lên: 20/02/2014, 16:20

... McCallum. 2004. Accurate Information Extraction from Research Papers using Conditional Random Fields. In HLT-NAACL. Hoifung Poon and Pedro Domingos. 2008. Joint Infer- ence in Information Extraction. ... content. In ESWC. M. Banko, M. Cafarella, S. Soderland, M. Broadhead, and O. Etzioni. 2007. Open information extraction from the Web. In Procs. of IJCAI. Razvan C. Bunescu and Raymond J...

Ngày tải lên: 23/03/2014, 16:20

... is ideally suited for open information extraction where the relations of interest are not specified in ad- vance and their number is potentially vast. 1 Introduction Information Extraction (IE) ... 696–703, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Sparse Information Extraction: Unsupervised Language Models to the Rescue Doug Downey, Stefan Scho...

Ngày tải lên: 31/03/2014, 01:20

... calculates the percentage of context words in a domain lexicon using both frequency information and semantic information. However, this technique requires a domain lexicon whose size and quality ... express domain information. Second, term can- didates extracted from domain corpora are likely 213 to be domain specific. Previous work by (e.g. Ji and Lu, 2007) uses similar informatio...

Ngày tải lên: 08/03/2014, 01:20

... ACM Transactions on Information Systems, 20(4):422–446. John Lafferty and Chengxiang Zhai. 2003. Probabilistic relevance models based on document and query gener- ation. Language Modeling and Information ... on Information Systems. Marina Litvak and Mark Last. 2008. Graph-based key- word extraction for single-document summarization. In Proceedings of the Workshop on Multi-source Mul- ti...

Ngày tải lên: 17/03/2014, 00:20

... We do not use the point-wise mutual information because it tends to overestimate the association between two words with low frequencies. Weighted mutual information meliorates this effect by ... which is trained with a small bilingual corpus and a large monolingual corpus. The translation information is proved as effective to select synonymous collocation pairs. Experi- mental res...

Ngày tải lên: 17/03/2014, 06:20

... for development of semantic information- retrieval al- gorithms that can operate in a manner that is as unsupervised as possible. Currently, the leading methods in unsupervised information extraction ... example of bridging the gap sep- arating “deep” linguistic technology and re- dundant Web information for Information Extraction tasks. • Our experimental results reveal that relations...

Ngày tải lên: 23/03/2014, 16:21

... Linguistics Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System Wei-Bin Liang 1 Chung-Hsien Wu 2 Department of Computer Science and Information Engineering National ... partial sentence trees are pro- posed to represent a speech recognition out- put sentence. Semantic information and the derivation rules of the partial sentence trees a...

Ngày tải lên: 20/02/2014, 05:20

... quantity, predictive information gain, predictive information redundancy and predictive information summation. Predictive Information Quantity (PIQ) );( RFPIQ , the predictive information quantity of ... paper proposes an information- theory-based feature types analysis model, which uses the measures of predictive information quantity, predictive information gain, predictive...

Ngày tải lên: 20/02/2014, 18:20