Sciweavers

463 search results - page 58 / 93
» Querying semantic web data with SPARQL
Sort
View
EDBT
2009
ACM
208views Database» more  EDBT 2009»
15 years 6 months ago
Flexible and efficient querying and ranking on hyperlinked data sources
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
ECAI
2004
Springer
15 years 5 months ago
An Ontology Based Visual Tool for Query Formulation Support
In this paper we describe the principles of the design and development of an intelligent query interface, done in the context of the SEWASIE (SEmantic Webs and AgentS in Integrated...
Tiziana Catarci, Paolo Dongilli, Tania Di Mascio, ...
WWW
2010
ACM
15 years 6 months ago
Automatic extraction of clickable structured web contents for name entity queries
Today the major web search engines answer queries by showing ten result snippets, which need to be inspected by users for identifying relevant results. In this paper we investigat...
Xiaoxin Yin, Wenzhao Tan, Xiao Li, Yi-Chin Tu
82
Voted
ICMCS
2005
IEEE
97views Multimedia» more  ICMCS 2005»
15 years 5 months ago
Rethinking the Presentation of Results from Web Search
This paper describes a novel approach to the presentation of results from web-search by utilizing the semantic correlations amongst the retrieved results as well as their spatio-t...
Rahul Singh, Ya-Wen Hsu, Wen-Cheng Sun, Dil Chitau...
SEMWEB
2010
Springer
14 years 9 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin