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VLDB
2008
ACM
178views Database» more  VLDB 2008»
16 years 5 months ago
The Bdual-Tree: indexing moving objects by space filling curves in the dual space
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
Man Lung Yiu, Yufei Tao, Nikos Mamoulis
VLDB
2009
ACM
130views Database» more  VLDB 2009»
16 years 5 months ago
Multi-dimensional top-k dominating queries
Abstract The top-k dominating query returns k data objects which dominate the highest number of objects in a dataset. This query is an important tool for decision support since it ...
Man Lung Yiu, Nikos Mamoulis
SIGMOD
2009
ACM
219views Database» more  SIGMOD 2009»
16 years 5 months ago
Hermes: a travel through semantics on the data web
The Web as a global information space is developing from a Web of documents to a Web of data. This development opens new ways for addressing complex information needs. Search is n...
Haofen Wang, Thomas Penin, Kaifeng Xu, Junquan Che...
SIGMOD
2009
ACM
167views Database» more  SIGMOD 2009»
16 years 5 months ago
Exploring schema repositories with schemr
Schemr is a schema search engine, and provides users the ability to search for and visualize schemas stored in a metadata repository. Users may search by keywords and by example ?...
Kuang Chen, Jayant Madhavan, Alon Y. Halevy
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
16 years 5 months ago
Efficient provenance storage
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...
Adriane Chapman, H. V. Jagadish, Prakash Ramanan