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SIGMOD
2008
ACM
139views Database» more  SIGMOD 2008»
14 years 9 months ago
SQAK: doing more with keywords
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
Sandeep Tata, Guy M. Lohman
SIGMOD
2002
ACM
169views Database» more  SIGMOD 2002»
14 years 9 months ago
Covering indexes for branching path queries
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
Raghav Kaushik, Philip Bohannon, Jeffrey F. Naught...
ICDE
2010
IEEE
211views Database» more  ICDE 2010»
14 years 4 months ago
ROX: The robustness of a run-time XQuery optimizer against correlated data
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
Riham Abdel Kader, Peter A. Boncz, Stefan Manegold...
SIGMETRICS
2004
ACM
145views Hardware» more  SIGMETRICS 2004»
14 years 3 months ago
A resource-allocation queueing fairness measure
Fairness is a major issue in the operation of queues, perhaps it is the reason why queues were formed in the first place. Recent studies show that the fairness of a queueing syst...
David Raz, Hanoch Levy, Benjamin Avi-Itzhak
SSDBM
2003
IEEE
164views Database» more  SSDBM 2003»
14 years 2 months ago
Approximate String Joins
String data is ubiquitous, and its management has taken on particular importance in the past few years. Approximate queries are very important on string data especially for more c...
Divesh Srivastava