SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Entity Resolution (ER) is an important real world problem that has attracted significant research interest over the past few years. It deals with determining which object descript...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Ontology matching, aiming to obtain semantic correspondences between two ontologies, has played a key role in data exchange, data integration and metadata management. Among numero...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Commercial database systems expose query hints to fix poor plans produced by the query optimizer. However, current query hints are not flexible enough to deal with a variety of no...