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SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 8 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
SIGMOD
2006
ACM
149views Database» more  SIGMOD 2006»
14 years 8 months ago
Efficient query processing on unstructured tetrahedral meshes
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...
Stratos Papadomanolakis, Anastassia Ailamaki, Juli...
SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
14 years 8 months ago
When one Sample is not Enough: Improving Text Database Selection Using Shrinkage
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
Panagiotis G. Ipeirotis, Luis Gravano
SIGMOD
2004
ACM
156views Database» more  SIGMOD 2004»
14 years 8 months ago
Tree Logical Classes for Efficient Evaluation of XQuery
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 ...
Stelios Paparizos, Yuqing Wu, Laks V. S. Lakshmana...
SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
14 years 8 months ago
Processing Set Expressions over Continuous Update Streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
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