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» Query operations for moving objects database systems
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VL
2003
IEEE
139views Visual Languages» more  VL 2003»
15 years 6 months ago
Programming in a data factory
Among the advantages of visual dataflow programming is that it can give the user a sense of location for the data in a computation. This can help novices build a mental picture of...
Steven L. Tanimoto
DEXA
1997
Springer
137views Database» more  DEXA 1997»
15 years 5 months ago
A Retrieval Mechanism for Semi-Structured Photographic Collections
Abstract. In this paper, a new approach for retrieval from semistructured photographic collections is described. We have developed a retrieval model based on the Dempster-Shafer th...
Joemon M. Jose, David J. Harper
DLOG
1997
15 years 2 months ago
Experiments with the DFL Hybrid System
Abstract. In this short paper we describe the DFL hybrid knowledge base, that integrates descriptions with expressive object-oriented rules. The knowledge base manages a database o...
Mira Balaban, Adi Eyal
SIGMOD
2004
ACM
156views Database» more  SIGMOD 2004»
16 years 1 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...
VLDB
2001
ACM
123views Database» more  VLDB 2001»
15 years 6 months ago
User-Optimizer Communication using Abstract Plans in Sybase ASE
imizer Communication using Abstract Plans in Sybase ASE Query optimizers are error prone, due to both their nature and the increased search space that modern query processing requ...
Mihnea Andrei, Patrick Valduriez