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CIVR
2008
Springer
166views Image Analysis» more  CIVR 2008»
15 years 8 months ago
Non-negative matrix factorisation for object class discovery and image auto-annotation
In information retrieval, sub-space techniques are usually used to reveal the latent semantic structure of a data-set by projecting it to a low dimensional space. Non-negative mat...
Jiayu Tang, Paul H. Lewis
CIKM
2008
Springer
15 years 8 months ago
Academic conference homepage understanding using constrained hierarchical conditional random fields
We address the problem of academic conference homepage understanding for the Semantic Web. This problem consists of three labeling tasks - labeling conference function pages, func...
Xin Xin, Juanzi Li, Jie Tang, Qiong Luo
WWW
2007
ACM
16 years 7 months ago
Towards a scalable search and query engine for the web
Current search engines do not fully leverage semantically rich datasets, or specialise in indexing just one domainspecific dataset. We present a search engine that uses the RDF da...
Aidan Hogan, Andreas Harth, Jürgen Umbrich, S...
EDBT
2006
ACM
137views Database» more  EDBT 2006»
16 years 6 months ago
Data Mapping as Search
In this paper, we describe and situate the TUPELO system for data mapping in relational databases. Automating the discovery of mappings between structured data sources is a long st...
George H. L. Fletcher, Catharine M. Wyss
FQAS
2009
Springer
127views Database» more  FQAS 2009»
16 years 1 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...