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ER
1999
Springer
155views Database» more  ER 1999»
15 years 4 months ago
Detecting Redundancy in Data Warehouse Evolution
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
Dimitri Theodoratos
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
16 years 18 hour ago
Approximate XML Query Answers
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...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
ICDE
2009
IEEE
159views Database» more  ICDE 2009»
16 years 1 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
DEXA
2003
Springer
130views Database» more  DEXA 2003»
15 years 5 months ago
Finding Neighbor Communities in the Web Using Inter-site Graph
In recent years, link-based information retrieval methods from the Web are developed. A framework of these methods is a Web graph using pages as vertices and Web-links as edges. In...
Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masa...
CIDR
2003
106views Algorithms» more  CIDR 2003»
15 years 1 months ago
Speculative Query Processing
Speculation is an every day phenomenon whereby one acts in anticipation of particular conditions that are likely to hold in the future. Computer science research has seen many suc...
Neoklis Polyzotis, Yannis E. Ioannidis