PVLDB
2010
13 years 2 months ago
2010
This paper introduces a new definition of dense subgraph pattern, the DN-graph. DN-graph considers both the size of the sub-structure and the minimum level of interactions betwee...
PVLDB
2010
13 years 2 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
PVLDB
2010
13 years 2 months ago
2010
Non-technical users are increasingly adding structures to their data. This gives rise to the need for database design. However, traditional database design is deliberate and heavy...
PVLDB
2010
13 years 2 months ago
2010
Data uncertainty is ubiquitous in many real-world applications such as sensor/RFID data analysis. In this paper, we investigate uncertain data that exhibit local correlations, tha...
PVLDB
2010
13 years 2 months ago
2010
In this paper, we present SnipSuggest, a system that provides onthe-go, context-aware assistance in the SQL composition process. SnipSuggest aims to help the increasing population...
PVLDB
2010
13 years 2 months ago
2010
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...
PVLDB
2010
13 years 2 months ago
2010
Though partially automated, developing schema mappings remains a complex and potentially error-prone task. In this paper, we present TRAMP (TRAnsformation Mapping Provenance), an ...
PVLDB
2010
13 years 2 months ago
2010
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
PVLDB
2010
13 years 2 months ago
2010
Keyword search over entity databases (e.g., product, movie databases) is an important problem. Current techniques for keyword search on databases may often return incomplete and i...
PVLDB
2010
13 years 2 months ago
2010
Commercial databases compete for market share, which is composed of not only net-new sales to those purchasing a database for the first time, but also competitive “win-backs”...