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» Relational queries over interpreted structures
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CIKM
2011
Springer
14 years 4 months ago
Ranking-based processing of SQL queries
A growing number of applications are built on top of search engines and issue complex structured queries. This paper contributes a customisable ranking-based processing of such qu...
Hany Azzam, Thomas Roelleke, Sirvan Yahyaei
SIGMOD
2006
ACM
202views Database» more  SIGMOD 2006»
16 years 4 months ago
Avatar semantic search: a database approach to information retrieval
We present Avatar Semantic Search, a prototype search engine that exploits annotations in the context of classical keyword search. The process of annotations is accomplished offli...
Eser Kandogan, Rajasekar Krishnamurthy, Sriram Rag...
IS
2008
15 years 4 months ago
DFL: A dataflow language based on Petri nets and nested relational calculus
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
Jan Hidders, Natalia Kwasnikowska, Jacek Sroka, Je...
DL
2000
Springer
162views Digital Library» more  DL 2000»
15 years 8 months ago
Snowball: extracting relations from large plain-text collections
Text documents often contain valuable structured data that is hidden in regular English sentences. This data is best exploited if available as a relational table that we could use...
Eugene Agichtein, Luis Gravano
BIODATAMINING
2008
117views more  BIODATAMINING 2008»
15 years 4 months ago
Search extension transforms Wiki into a relational system: A case for flavonoid metabolite database
Background: In computer science, database systems are based on the relational model founded by Edgar Codd in 1970. On the other hand, in the area of biology the word 'databas...
Masanori Arita, Kazuhiro Suwa