Sciweavers

1846 search results - page 349 / 370
» Generating query substitutions
Sort
View
ESWS
2009
Springer
14 years 2 months ago
ONKI SKOS Server for Publishing and Utilizing SKOS Vocabularies and Ontologies as Services
Vocabularies are the building blocks of the Semantic Web providing shared terminological resources for content indexing, information retrieval, data exchange, and content integrati...
Jouni Tuominen, Matias Frosterus, Kim Viljanen, Ee...
SIGIR
2009
ACM
14 years 2 months ago
Approximating true relevance distribution from a mixture model based on irrelevance data
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
DASFAA
2008
IEEE
188views Database» more  DASFAA 2008»
14 years 2 months ago
Summarization Graph Indexing: Beyond Frequent Structure-Based Approach
Graph is an important data structure to model complex structural data, such as chemical compounds, proteins, and XML documents. Among many graph data-based applications, sub-graph ...
Lei Zou, Lei Chen 0002, Huaming Zhang, Yansheng Lu...
ICDCS
2008
IEEE
14 years 2 months ago
Correlation-Aware Object Placement for Multi-Object Operations
A multi-object operation incurs communication or synchronization overhead when the requested objects are distributed over different nodes. The object pair correlations (the probab...
Ming Zhong, Kai Shen, Joel I. Seiferas
ICDM
2008
IEEE
186views Data Mining» more  ICDM 2008»
14 years 2 months ago
xCrawl: A High-Recall Crawling Method for Web Mining
Web Mining Systems exploit the redundancy of data published on the Web to automatically extract information from existing web documents. The first step in the Information Extract...
Kostyantyn M. Shchekotykhin, Dietmar Jannach, Gerh...