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CIKM
2010
Springer
15 years 4 months ago
Automatic schema merging using mapping constraints among incomplete sources
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
Xiang Li 0002, Christoph Quix, David Kensche, Sand...
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
16 years 6 months ago
Fg-index: towards verification-free query processing on graph databases
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
James Cheng, Yiping Ke, Wilfred Ng, An Lu
ICDE
2007
IEEE
128views Database» more  ICDE 2007»
16 years 14 days ago
Auditing a Batch of SQL Queries
In this paper, we study the problem of auditing a batch of SQL queries: given a set of SQL queries that have been posed over a database, determine whether some subset of these quer...
Rajeev Motwani, Shubha U. Nabar, Dilys Thomas
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
16 years 6 months ago
Continuous obstructed nearest neighbor queries in spatial databases
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...
Yunjun Gao, Baihua Zheng
VLDB
2005
ACM
105views Database» more  VLDB 2005»
15 years 11 months ago
Light-weight Domain-based Form Assistant: Querying Web Databases On the Fly
The Web has been rapidly “deepened” by myriad searchable databases online, where data are hidden behind query forms. Helping users query alternative “deep Web” sources in ...
Zhen Zhang, Bin He, Kevin Chen-Chuan Chang