SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
In this paper we present an efficient, scalable and general algorithm for performing set joins on predicates involving various similarity measures like intersect size, Jaccard-coe...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
We introduce a hierarchical labeling scheme called ORDPATH that is implemented in the upcoming version of Microsoft? SQL ServerTM. ORDPATH labels nodes of an XML tree without requ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...