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» Data Models and Query Languages for Spatial Databases
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VLDB
2007
ACM
191views Database» more  VLDB 2007»
16 years 6 months ago
Multidimensional reverse k NN search
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
Yufei Tao, Dimitris Papadias, Xiang Lian, Xiaokui ...
ISSTA
2004
ACM
16 years 10 hour ago
Model checking XML manipulating software
The use of XML as the de facto data exchange standard has allowed integration of heterogeneous web based software systems regardless of implementation platforms and programming la...
Xiang Fu, Tevfik Bultan, Jianwen Su
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
14 years 9 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...
DEXA
2003
Springer
135views Database» more  DEXA 2003»
15 years 11 months ago
On the Optimality of Holistic Algorithms for Twig Queries
Streaming XML documents has many emerging applications. However, in this paper, we show that the restrictions imposed by data streaming are too restrictive for processing twig quer...
Byron Choi, Malika Mahoui, Derick Wood
COSIT
2005
Springer
185views GIS» more  COSIT 2005»
16 years 3 days ago
3D Topographic Data Modelling: Why Rigidity Is Preferable to Pragmatism
In this paper two concepts for modelling 3D topography are introduced. The first concept is a very pragmatic approach of 3D modelling, trying to model as much as possible in (less...
Friso Penninga