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» Efficient Query Processing in Large Traffic Networks
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SAC
2008
ACM
15 years 3 months ago
Selectivity estimation in spatial networks
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
Eleftherios Tiakas, Apostolos N. Papadopoulos, Ale...
SSDBM
2007
IEEE
116views Database» more  SSDBM 2007»
15 years 10 months ago
A Distributed Algorithm for Joins in Sensor Networks
Given their autonomy, flexibility and large range of functionality, wireless sensor networks can be used as an effective and discrete means for monitoring data in many domains. T...
Alexandru Coman, Mario A. Nascimento
P2PKM
2004
15 years 5 months ago
RDFGrowth, a P2P annotation exchange algorithm for scalable Semantic Web applications
We present RDFGrowth, an algorithm that addresses a specific yet important scenario: large scale, end user targeted, metadata exchange P2P applications. In this scenario, peers per...
Giovanni Tummarello, Christian Morbidoni, Joackin ...
SIGMOD
2002
ACM
165views Database» more  SIGMOD 2002»
16 years 4 months ago
APEX: an adaptive path index for XML data
The emergence of the Web has increased interests in XML data. XML query languages such as XQuery and XPath use label paths to traverse the irregularly structured data. Without a s...
Chin-Wan Chung, Jun-Ki Min, Kyuseok Shim
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
15 years 4 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell