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SIGMOD
2007
ACM
124views Database» more  SIGMOD 2007»
14 years 7 months ago
Querying xml with update syntax
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
Wenfei Fan, Gao Cong, Philip Bohannon
SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
14 years 2 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
ICDE
2005
IEEE
134views Database» more  ICDE 2005»
14 years 1 months ago
Index Structures for Matching XML Twigs Using Relational Query Processors
Various index structures have been proposed to speed up the evaluation of XML path expressions. However, existing XML path indices suffer from at least one of three limitations: ...
Zhiyuan Chen, Johannes Gehrke, Flip Korn, Nick Kou...
IFIP
2005
Springer
14 years 1 months ago
Content-Based Image Retrieval for Digital Forensics
Digital forensic investigators are often faced with the task of manually examining a large number of (photographic) images in order to identify potential evidence. The task can be...
Yixin Chen, Vassil Roussev, Golden G. Richard III,...
WEBDB
2004
Springer
122views Database» more  WEBDB 2004»
14 years 1 months ago
Querying Bi-level Information
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
Sudarshan Murthy, David Maier, Lois M. L. Delcambr...