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ESWS
2009
Springer
14 years 9 months ago
Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL
Many applications operate on time-sensitive data. Some of these data are only valid for certain intervals (e.g., job-assignments, versions of software code), others describe tempor...
Jonas Tappolet, Abraham Bernstein
SIGMOD
1999
ACM
127views Database» more  SIGMOD 1999»
15 years 4 months ago
An Adaptive Query Execution System for Data Integration
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
Zachary G. Ives, Daniela Florescu, Marc Friedman, ...
ICDE
2004
IEEE
148views Database» more  ICDE 2004»
16 years 1 months ago
Approximate Selection Queries over Imprecise Data
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
Iosif Lazaridis, Sharad Mehrotra
SIGMETRICS
2010
ACM
181views Hardware» more  SIGMETRICS 2010»
15 years 2 days ago
A unified modeling framework for distributed resource allocation of general fork and join processing networks
This paper addresses the problem of distributed resource allocation in general fork and join processing networks. The problem is motivated by the complicated processing requiremen...
Haiquan (Chuck) Zhao, Cathy H. Xia, Zhen Liu, Dona...
VLDB
2007
ACM
229views Database» more  VLDB 2007»
15 years 6 months ago
Sum-Max Monotonic Ranked Joins for Evaluating Top-K Twig Queries on Weighted Data Graphs
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
Yan Qi 0002, K. Selçuk Candan, Maria Luisa ...