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OODBS
2000
147views Database» more  OODBS 2000»
15 years 11 months ago
Towards a Unified Query-by-Example (UQBE): UML as a Basis for a Generic Graphical Query Language
A generic graphical query language for ODMG-compliant object databases is proposed, based on the ideas of Query-By-Example, and using UML-like diagrams as schema notation. Ease of ...
Miguel Ángel Sicilia Urbán, Elena Ga...
BNCOD
2004
99views Database» more  BNCOD 2004»
15 years 8 months ago
The EGTV Query Language
When storing data in heterogeneous databases, one of the top-down design issues concerns the usage of multiple query languages. A common language enables querying of database schem...
Damir Becarevic, Mark Roantree
DAIS
2009
15 years 5 months ago
Automated Assessment of Aggregate Query Imprecision in Dynamic Environments
Queries are widely used for acquiring data distributed in opportunistically formed mobile networks. However, when queries are executed in such dynamic settings, the returned result...
Vasanth Rajamani, Christine Julien, Jamie Payton
213
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IEAAIE
2009
Springer
16 years 2 months ago
Spatial Exact Match Query Based on the NA-Tree Approach in P2P Systems
In this paper, we propose to apply an NA-tree in the Chord system to encode spatial region data in the data key part used in the hash function to data search. That is, we combine t...
Ye-In Chang, Chen-Chang Wu, Ching-I Wang
165
Voted
DMKD
2003
ACM
76views Data Mining» more  DMKD 2003»
16 years 21 days ago
A learning-based approach to estimate statistics of operators in continuous queries: a case study
Like Gao, Min Wang, Xiaoyang Sean Wang, Sriram Pad...