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» Using query term order for result summarisation
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VLDB
2004
ACM
161views Database» more  VLDB 2004»
16 years 4 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
CHI
2010
ACM
15 years 11 months ago
Real time search user behavior
Real time search is an increasingly important area of information seeking on the Web. In this research, we analyze 1,005,296 user interactions with a real time search engine over ...
Bernard J. Jansen, Gerry Campbell, Matthew Gregg
FUIN
2007
135views more  FUIN 2007»
15 years 4 months ago
On First-Order Fragments for Mazurkiewicz Traces
Mazurkiewicz traces form a model for concurrency. Temporal logic st-order logic are important tools in order to deal with the abstract behavior of such systems. Since typical prop...
Volker Diekert, Martin Horsch, Manfred Kufleitner
CORR
2010
Springer
139views Education» more  CORR 2010»
14 years 11 months ago
Data Cleaning and Query Answering with Matching Dependencies and Matching Functions
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. La...
IDEAS
2008
IEEE
96views Database» more  IDEAS 2008»
15 years 10 months ago
Robust aggregation in peer-to-peer database systems
Peer-to-peer database systems (P2PDBs) aim at providing database services with node autonomy, high availability and loose coupling between participating nodes by building the DBMS...
Norvald H. Ryeng, Kjetil Nørvåg