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» GenerIE: Information extraction using database queries
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73
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SIGMOD
2011
ACM
169views Database» more  SIGMOD 2011»
14 years 14 days ago
Leveraging query logs for schema mapping generation in U-MAP
In this paper, we introduce U-MAP, a new system for schema mapping generation. U-MAP builds upon and extends existing schema mapping techniques. However, it mitigates some key pro...
Hazem Elmeleegy, Ahmed K. Elmagarmid, Jaewoo Lee
CIKM
2009
Springer
15 years 1 months ago
Semantic queries in databases: problems and challenges
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
Lipyeow Lim, Haixun Wang, Min Wang
CHI
1992
ACM
15 years 1 months ago
Dynamic Queries for Information Exploration: An Implementation and Evaluation
We designed, implemented and evaluated a new concept for direct manipulation of databases, called dynamic queries, that allowsuserstoformulatequerieswithgraphicalwidgets,such as s...
Christopher Ahlberg, Christopher Williamson, Ben S...
ICTAI
2010
IEEE
14 years 7 months ago
Ontology-guided Extraction of Complex Nested Relationships
Many applications call for methods to enable automatic extraction of structured information from unstructured natural language text. Due to inherent challenges of natural language ...
Sushain Pandit, Vasant Honavar
151
Voted
SIGMOD
2008
ACM
134views Database» more  SIGMOD 2008»
15 years 9 months ago
SystemT: a system for declarative information extraction
As applications within and outside the enterprise encounter increasing volumes of unstructured data, there has been renewed interest in the area of information extraction (IE) ? t...
Rajasekar Krishnamurthy, Yunyao Li, Sriram Raghava...