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» On the Theory of Structural Subtyping
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SIGMOD
2009
ACM
235views Database» more  SIGMOD 2009»
16 years 2 months ago
Quality and efficiency in high dimensional nearest neighbor search
Nearest neighbor (NN) search in high dimensional space is an important problem in many applications. Ideally, a practical solution (i) should be implementable in a relational data...
Yufei Tao, Ke Yi, Cheng Sheng, Panos Kalnis
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
16 years 2 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
PODS
2006
ACM
137views Database» more  PODS 2006»
16 years 2 months ago
Data exchange: computing cores in polynomial time
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
Georg Gottlob, Alan Nash
PODS
2006
ACM
196views Database» more  PODS 2006»
16 years 2 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
ICSE
2005
IEEE-ACM
16 years 2 months ago
Tool support for just-in-time architecture reconstruction and evaluation: an experience report
The need for software architecture evaluation has drawn considerable attention in recent years. In practice, this is a challenging exercise for two main reasons. First, in deploye...
Ian Gorton, Liming Zhu