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» Requirements of Phylogenetic Databases
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VLDB
2000
ACM
155views Database» more  VLDB 2000»
15 years 10 months ago
ICICLES: Self-Tuning Samples for Approximate Query Answering
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
Venkatesh Ganti, Mong-Li Lee, Raghu Ramakrishnan
GEOINFO
2004
15 years 8 months ago
Approximate Spatial Query Processing using Raster Signatures
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
Leonardo Guerreiro Azevedo, Rodrigo Salvador Monte...
GIS
2005
ACM
16 years 7 months ago
ASPEN: an adaptive spatial peer-to-peer network
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku
SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
16 years 7 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
ER
2009
Springer
92views Database» more  ER 2009»
16 years 1 months ago
From User Goals to Service Discovery and Composition
Goals are often used to represent stakeholder’s objectives. The intentionality inherited by a goal drives stakeholders to pursuit the fulfillment of their goals either by themse...
Luiz Olavo Bonino da Silva Santos, Giancarlo Guizz...