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ACL
2008
14 years 11 months ago
Unsupervised Learning of Acoustic Sub-word Units
Accurate unsupervised learning of phonemes of a language directly from speech is demonstrated via an algorithm for joint unsupervised learning of the topology and parameters of a ...
Balakrishnan Varadarajan, Sanjeev Khudanpur, Emman...
EMNLP
2010
14 years 7 months ago
Improving Mention Detection Robustness to Noisy Input
Information-extraction (IE) research typically focuses on clean-text inputs. However, an IE engine serving real applications yields many false alarms due to less-well-formed input...
Radu Florian, John F. Pitrelli, Salim Roukos, Imed...
WWW
2011
ACM
14 years 4 months ago
Two-stream indexing for spoken web search
This paper presents two-stream processing of audio to index the audio content for Spoken Web search. The first stream indexes the meta-data associated with a particular audio doc...
Jitendra Ajmera, Anupam Joshi, Sougata Mukherjea, ...
PODS
2006
ACM
88views Database» more  PODS 2006»
15 years 10 months ago
Structural characterizations of the semantics of XPath as navigation tool on a document
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
Marc Gyssens, Jan Paredaens, Dirk Van Gucht, Georg...
POPL
2010
ACM
15 years 7 months ago
Continuity Analysis of Programs
We present an analysis to automatically determine if a program represents a continuous function, or equivalently, if infinitesimal changes to its inputs can only cause infinitesim...
Swarat Chaudhuri, Sumit Gulwani, Roberto Lublinerm...