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DPD
1998
117views more  DPD 1998»
15 years 7 months ago
Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase Systems
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
Qiang Zhu, Per-Åke Larson
233
Voted
PVLDB
2010
128views more  PVLDB 2010»
15 years 5 months ago
Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
Carlo Curino, Hyun Jin Moon, Alin Deutsch, Carlo Z...
344
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ICDE
2009
IEEE
188views Database» more  ICDE 2009»
16 years 9 months ago
GuruMine: A Pattern Mining System for Discovering Leaders and Tribes
In this demo we introduce GuruMine, a pattern mining system for the discovery of leaders, i.e., influential users in social networks, and their tribes, i.e., a set of users usually...
Amit Goyal 0002, Byung-Won On, Francesco Bonchi, L...
319
Voted
VLDB
2007
ACM
155views Database» more  VLDB 2007»
16 years 7 months ago
Answering Aggregation Queries in a Secure System Model
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
Tingjian Ge, Stanley B. Zdonik
198
Voted
ICDE
2010
IEEE
244views Database» more  ICDE 2010»
16 years 7 months ago
Reliable Storage and Querying for Collaborative Data Sharing Systems
The sciences, business confederations, and medicine urgently need infrastructure for sharing data and updates among collaborators' constantly changing, heterogeneous databases...
Nicholas E. Taylor, Zachary G. Ives