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» On database query languages for K-relations
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ICDE
2012
IEEE
240views Database» more  ICDE 2012»
11 years 10 months ago
Ego-centric Graph Pattern Census
—There is increasing interest in analyzing networks of all types including social, biological, sensor, computer, and transportation networks. Broadly speaking, we may be interest...
Walaa Eldin Moustafa, Amol Deshpande, Lise Getoor
DEXAW
2002
IEEE
167views Database» more  DEXAW 2002»
14 years 24 days ago
Integrating Heterogeneous Data Sources with XML and XQuery
XML has emerged as the leading language for representing and exchanging data not only on the Web, but also in general in the enterprise. XQuery is emerging as the standard query l...
Georges Gardarin, Antoine Mensch, Tuyet-Tram Dang-...
ICDE
2004
IEEE
89views Database» more  ICDE 2004»
14 years 9 months ago
Nested Queries and Quantifiers in an Ordered Context
We present algebraic equivalences that allow to unnest nested algebraic expressions for order-preserving algebraic operators. We illustrate how these equivalences can be applied s...
Norman May, Sven Helmer, Guido Moerkotte
EDBTW
2006
Springer
13 years 11 months ago
Pattern-Based Query Answering
Users without knowledge of schemas or structured query languages have difficulties in accessing information stored in databases. Commercial and research efforts have focused on key...
Alkis Simitsis, Georgia Koutrika
SIGMOD
2007
ACM
122views Database» more  SIGMOD 2007»
14 years 8 months ago
XQuery layers
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
Daniele Braga, Alessandro Campi, Stefano Ceri, Pao...