Tài liệu Báo cáo khoa học: "SPEECH OGLE: Indexing Uncertainty for Spoken Document Search" pptx

... Sessions, pages 41–44, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics SPEECH OGLE: Indexing Uncertainty for Spoken Document Search Ciprian Chelba and Alex Acero Microsoft Research Microsoft ... itself to efficient indexing and subsequent rele- vance ranking of spoken documents. In experiments performed on a collec- tion of lecture recordings — MIT iCa...

Ngày tải lên: 20/02/2014, 15:20

... performance on the statistical spoken language understanding (SLU) problem. The statistical natural language parsers trained on text perform unreliably to encode non-local informa- tion on spoken ... selec- tion algorithm is very efficient for both perfor- mance and time complexity. 2 Spoken Language Understanding as a Sequential Labeling Problem 2.1 Spoken Language Understanding The...

Ngày tải lên: 20/02/2014, 12:20

... world’s spoken languages. A voice tokenizer converts a spoken document into a text-like document of acoustic tokens. Thus a spoken document can be represented by a count vector of acoustic ... considerably across different spoken languages. In addition, spoken documents 1 , in the form of digitized wave files, are far less structured than written documents and need to...

Ngày tải lên: 20/02/2014, 15:20

... average precision for all the pruned topic types is 74.64%, varying from 95.63% for ROOM to 37.63% for MIx. If MIx is left out, the average precision is 79.27%. The poor precision for MIX is due ... topic information provides a promis- ing starting point in attempts to provide an accurate context for the spoken dialogue systems. This can be further verified in the perplexity...

Ngày tải lên: 20/02/2014, 18:20

... Tam. Centroid-based summarization for multiple documents. In In Int. Jrnl. Information Process- ing and Management, 2004. D. Shen, J.T. Sun, H. Li, Q. Yang, and Z. Chen. Document summarization using ... 2010. c 2010 Association for Computational Linguistics A Hybrid Hierarchical Model for Multi -Document Summarization Asli Celikyilmaz Computer Science Department University of Califo...

Ngày tải lên: 20/02/2014, 04:20

... category for input “meets the”. A sample phrase structure tree is shown before and after the right-corner transform in Figures 2 and 3. Our parser operates over a right-corner trans- formed probabilistic ... Association for Computational Linguistics, pages 620–631, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Incremental Syntactic Language Models...

Ngày tải lên: 20/02/2014, 04:20

... ae n. The latter is more useful for automatically recovering the word’s orthographic form, identify- ing that an OOV was spoken, or improving perfor- mance of a spoken term detection system with ... likely pronunciation for each word. It is straightforward to extend to multiple pronunciations by first sampling a pronunciation for each word and then sampling a segmentation for that p...

Ngày tải lên: 20/02/2014, 04:20

... Previous Work Techniques for exploiting stochastic context-free grammars for language modeling have been ex- plored for more than a decade. Early approaches included algorithms for efficiently calculating ... large quantity of text data. See (Chen and Goodman, 1998) for an overview of estimation techniques for n-gram models. This paper describes a method for incorporating syntact...

Ngày tải lên: 20/02/2014, 15:20

... before the labial stop /p/, the cor9nal nasal/n/ before the coronal stop/t/, and the velar nasal/7// before the velar stop/k/. This constraint, like subject-verb agreement. poses a problem for ... low level cues for syllable strt,cture. This observation, if correct, could be viewed as a form of a 'constituency hypothesis'. Just as syntacticians have argued for the consti...

Ngày tải lên: 21/02/2014, 20:20

... electrode. For starch extraction, pellets for ethanol extraction were solubilized by heating them to 95 °Cin0.5m NaOH for 30 min. After acidification with 1 m CH 3 COOH, the suspension was digested for ... pattern search method for bound constrained gloabal optimiza- tion. J Glob Optim 39 , 197–219. 34 Schmidt H & Jirstrand M (2006) Systems Biology Tool- box for MATLAB: a compu...

Ngày tải lên: 14/02/2014, 22:20