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DIAGRAMS
2004
Springer
14 years 3 months ago
Ensuring the Drawability of Extended Euler Diagrams for up to 8 Sets
Abstract. This paper shows by a constructive method the existence of a diagrammatic representation called extended Euler diagrams for any collection of sets X1, ..., Xn , n < 9....
Anne Verroust, Marie-Luce Viaud
ICDT
2003
ACM
91views Database» more  ICDT 2003»
14 years 3 months ago
Reformulation of XML Queries and Constraints
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
Alin Deutsch, Val Tannen
SSDBM
2010
IEEE
127views Database» more  SSDBM 2010»
14 years 3 months ago
Optimizing All-Nearest-Neighbor Queries with Trigonometric Pruning
Many applications require to determine the k-nearest neighbors for multiple query points simultaneously. This task is known as all-(k)-nearest-neighbor (AkNN) query. In this paper,...
Tobias Emrich, Franz Graf, Hans-Peter Kriegel, Mat...
ADBIS
2001
Springer
114views Database» more  ADBIS 2001»
14 years 2 months ago
Evaluation of Join Strategies for Distributed Mediation
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...
Vanja Josifovski, Timour Katchaounov, Tore Risch
IDEAS
2000
IEEE
112views Database» more  IDEAS 2000»
14 years 2 months ago
Bulk Loading a Data Warehouse Built Upon a UB-Tree
This paper considers the issue of bulk loading large data sets for the UB-Tree, a multidimensional index structure. Especially in dataware housing (DW), data mining and OLAP it is...
Robert Fenk, Akihiko Kawakami, Volker Markl, Rudol...