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GIS
2008
ACM
16 years 6 months ago
The multi-rule partial sequenced route query
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
Haiquan Chen, Wei-Shinn Ku, Min-Te Sun, Roger Zimm...
ICML
2004
IEEE
16 years 5 months ago
Learning first-order rules from data with multiple parts: applications on mining chemical compound data
Inductive learning of first-order theory based on examples has serious bottleneck in the enormous hypothesis search space needed, making existing learning approaches perform poorl...
Cholwich Nattee, Sukree Sinthupinyo, Masayuki Numa...
WWW
2007
ACM
16 years 5 months ago
GigaHash: scalable minimal perfect hashing for billions of urls
A minimal perfect function maps a static set of keys on to the range of integers {0,1,2, ... , - 1}. We present a scalable high performance algorithm based on random graphs for ...
Kumar Chellapilla, Anton Mityagin, Denis Xavier Ch...
VLDB
2006
ACM
171views Database» more  VLDB 2006»
16 years 5 months ago
Grid-partition index: a hybrid method for nearest-neighbor queries in wireless location-based services
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
EDBT
2008
ACM
161views Database» more  EDBT 2008»
16 years 5 months ago
Load distribution of analytical query workloads for database cluster architectures
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
Thomas Phan, Wen-Syan Li