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ADC
2009
Springer
123views Database» more  ADC 2009»
16 years 20 days ago
S.E.A.L. - A Query Language for Entity-Association Queries
The paper presents the S.E.A.L. query language and interpreter for entity-association queries that allows such queries to be expressed in a much simpler way than in SQL. S.E.A.L (...
Edward Stanley, Pavle Mogin, Peter Andreae
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
16 years 6 months ago
Stretch 'n' shrink: resizing queries to user preferences
We present Stretch `n' Shrink, a query design framework that explicitly takes into account user preferences about the desired answer size, and subsequently modifies the query...
Chaitanya Mishra, Nick Koudas
MOBIDE
2005
ACM
15 years 11 months ago
Context-aware optimization of continuous range queries maintenance for trajectories
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
Goce Trajcevski, Hui Ding, Peter Scheuermann
DEXA
1998
Springer
124views Database» more  DEXA 1998»
15 years 10 months ago
Indexing Time-Series Databases for Inverse Queries
Abstract. In this paper we examine the problem of indexing time sequences in order to answer inverse queries. An inverse query computes all the time points at which the sequence co...
Alexandros Nanopoulos, Yannis Manolopoulos
JFP
2006
80views more  JFP 2006»
15 years 6 months ago
Static analysis for path correctness of XML queries
A part of a query that will never contribute data to the query answer should be regarded as an error. This principle has been recently accepted into mainstream XML query languages...
Dario Colazzo, Giorgio Ghelli, Paolo Manghi, Carlo...