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DGO
2003
127views Education» more  DGO 2003»
13 years 9 months ago
A Geographic Visual Query Composer (GVQC) for Accessing Federal Databases
The paper introduces a query tool which allows users (either database experts or non-specialist users) to visually formulate and execute spatial queries directed to large federal ...
Diansheng Guo
PODS
2010
ACM
205views Database» more  PODS 2010»
14 years 24 days ago
Positive higher-order queries
We investigate a higher-order query language that embeds operators of the positive relational algebra within the simply-typed λ-calculus. Our language allows one to succinctly de...
Michael Benedikt, Gabriele Puppis, Huy Vu
NLDB
2007
Springer
14 years 1 months ago
Cross-Lingual Information Retrieval by Feature Vectors
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
Jeanine Lilleng, Stein L. Tomassen
EMNLP
2007
13 years 9 months ago
Learning Noun Phrase Query Segmentation
Query segmentation is the process of taking a user’s search-engine query and dividing the tokens into individual phrases or semantic units. Identification of these query segmen...
Shane Bergsma, Qin Iris Wang
CORR
2004
Springer
82views Education» more  CORR 2004»
13 years 7 months ago
Schema-based Scheduling of Event Processors and Buffer Minimization for Queries on Structured Data Streams
We introduce an extension of the XQuery language, FluX, that supports event-based query processing and the conscious handling of main memory buffers. Purely event-based queries of...
Christoph Koch, Stefanie Scherzinger, Nicole Schwe...