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» Containment of Aggregate Queries
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SIGMOD
1998
ACM
115views Database» more  SIGMOD 1998»
15 years 9 months ago
Providing Database-like Access to the Web Using Queries Based on Textual Similarity
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...
William W. Cohen
ISMIS
2000
Springer
15 years 8 months ago
Extended Query Answering Using Integrity Rules
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
Barry G. T. Lowden, Jerome Robinson
EJASMP
2010
112views more  EJASMP 2010»
14 years 11 months ago
Query-Driven Strategy for On-the-Fly Term Spotting in Spontaneous Speech
Spoken utterance retrieval was largely studied in the last decades, with the purpose of indexing large audio databases or of detecting keywords in continuous speech streams. While...
Mickael Rouvier, Georges Linares, Benjamin Lecoute...
PODS
2000
ACM
179views Database» more  PODS 2000»
15 years 9 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
JACM
2008
91views more  JACM 2008»
15 years 4 months ago
On the minimization of XPath queries
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
Sergio Flesca, Filippo Furfaro, Elio Masciari