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VLDB
2005
ACM
149views Database» more  VLDB 2005»
14 years 5 months ago
Selectivity estimators for multidimensional range queries over real attributes
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
Dimitrios Gunopulos, George Kollios, Vassilis J. T...
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
14 years 6 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
ICDE
2009
IEEE
159views Database» more  ICDE 2009»
14 years 7 months ago
Sketch-Based Summarization of Ordered XML Streams
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
Veronica Mayorga, Neoklis Polyzotis
ICDE
2009
IEEE
156views Database» more  ICDE 2009»
14 years 7 months ago
Distributed Structural Relaxation of XPath Queries
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
Georgia Koloniari, Evaggelia Pitoura
FCCM
2011
IEEE
311views VLSI» more  FCCM 2011»
12 years 9 months ago
String Matching in Hardware Using the FM-Index
—String matching is a ubiquitous problem that arises in a wide range of applications in computing, e.g., packet routing, intrusion detection, web querying, and genome analysis. D...
Edward Fernandez, Walid Najjar, Stefano Lonardi