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PODS
2002
ACM
154views Database» more  PODS 2002»
16 years 4 months ago
How to Evaluate Multiple Range-Sum Queries Progressively
Decision support system users typically submit batches of range-sum queries simultaneously rather than issuing individual, unrelated queries. We propose a wavelet based technique ...
Rolfe R. Schmidt, Cyrus Shahabi
SAC
2005
ACM
15 years 10 months ago
A pivot-based index structure for combination of feature vectors
We present a novel indexing schema that provides efficient nearest-neighbor queries in multimedia databases consisting of objects described by multiple feature vectors. The beneļ¬...
Benjamin Bustos, Daniel A. Keim, Tobias Schreck
VLDB
1994
ACM
147views Database» more  VLDB 1994»
15 years 8 months ago
Integrating a Structured-Text Retrieval System with an Object-Oriented Database System
We describe the integration of a structuredtext retrieval system (TextMachine) into an object-oriented database system (OpenODB). We use the external function capability of the da...
Tak W. Yan, Jurgen Annevelink
DILS
2006
Springer
15 years 8 months ago
On Querying OBO Ontologies Using a DAG Pattern Query Language
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
Amarnath Gupta, Simone Santini
PKDD
2009
Springer
135views Data Mining» more  PKDD 2009»
15 years 11 months ago
Syntactic Structural Kernels for Natural Language Interfaces to Databases
A core problem in data mining is to retrieve data in a easy and human friendly way. Automatically translating natural language questions into SQL queries would allow for the design...
Alessandra Giordani, Alessandro Moschitti