Sciweavers

3825 search results - page 656 / 765
» More on pooling spaces
Sort
View
PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 9 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
SIGMOD
2011
ACM
193views Database» more  SIGMOD 2011»
14 years 9 months ago
Fast checkpoint recovery algorithms for frequently consistent applications
Advances in hardware have enabled many long-running applications to execute entirely in main memory. As a result, these applications have increasingly turned to database technique...
Tuan Cao, Marcos Antonio Vaz Salles, Benjamin Sowe...
EDBT
2012
ACM
247views Database» more  EDBT 2012»
13 years 8 months ago
Heuristics-based query optimisation for SPARQL
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
Petros Tsialiamanis, Lefteris Sidirourgos, Irini F...
AAAI
2012
13 years 8 months ago
A Testbed for Learning by Demonstration from Natural Language and RGB-Depth Video
We are developing a testbed for learning by demonstration combining spoken language and sensor data in a natural real-world environment. Microsoft Kinect RGBDepth cameras allow us...
Young Chol Song, Henry A. Kautz
COMPGEOM
2006
ACM
16 years 9 days ago
Locked and unlocked chains of planar shapes
We extend linkage unfolding results from the well-studied case of polygonal linkages to the more general case of linkages of polygons. More precisely, we consider chains of nonove...
Robert Connelly, Erik D. Demaine, Martin L. Demain...