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SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
15 years 4 months ago
UQBE: uncertain query by example for web service mashup
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
Jun'ichi Tatemura, Songting Chen, Fenglin Liao, Ol...
ER
2004
Springer
92views Database» more  ER 2004»
15 years 9 months ago
XBiT: An XML-Based Bitemporal Data Model
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...
Fusheng Wang, Carlo Zaniolo
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
14 years 7 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...
CSCWD
2001
Springer
15 years 8 months ago
Update Algorithms for the Sketch Data Model
The authors have developed a new approach to database interoperability using the sketch data model. That technique has now been used in a number of applications, but an important ...
Michael Johnson, Robert D. Rosebrugh
SIGMOD
2010
ACM
159views Database» more  SIGMOD 2010»
15 years 2 months ago
Histograms reloaded: the merits of bucket diversity
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
Carl-Christian Kanne, Guido Moerkotte