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» On Automating the Calculus of Relations
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183
Voted
GIS
2009
ACM
16 years 1 months ago
A Case Study of Using Geographic Cues to Predict Query News Intent
Geographic information retrieval encompasses important tasks including finding the location of a user, and locations relevant to their search queries. Web-based search engines rec...
Ahmed Hassan, Rosie Jones, Fernando Diaz
GIS
2004
ACM
16 years 1 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
GIS
2006
ACM
16 years 1 months ago
Exploiting a page-level upper bound for multi-type nearest neighbor queries
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
Xiaobin Ma, Shashi Shekhar, Hui Xiong, Pusheng Zha...
96
Voted
DAC
2009
ACM
16 years 1 months ago
Context-sensitive timing analysis of Esterel programs
Traditionally, synchronous languages, such as Esterel, have been compiled into hardware, where timing analysis is relatively easy. When compiled into software ? e.g., into sequent...
Lei Ju, Bach Khoa Huynh, Samarjit Chakraborty, Abh...
DAC
2007
ACM
16 years 1 months ago
Implicitly Parallel Programming Models for Thousand-Core Microprocessors
This paper argues for an implicitly parallel programming model for many-core microprocessors, and provides initial technical approaches towards this goal. In an implicitly paralle...
Wen-mei W. Hwu, Shane Ryoo, Sain-Zee Ueng, John H....