Sciweavers

209 search results - page 20 / 42
» The Effect of Database Size Distribution on Resource Selecti...
Sort
View
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
14 years 8 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
14 years 8 months ago
Greedy List Intersection
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
Robert Krauthgamer, Aranyak Mehta, Vijayshankar Ra...
IDC
2009
Springer
13 years 5 months ago
Efficient Broadcasting by Selective Forwarding
A major challenge faced in mobile ad hoc networks (MANETs) is locating devices for communication, especially in the case of high node mobility and sparse node density. Present solu...
Doina Bein, Ajoy Kumar Datta, Balaji Ashok Sathyan...
PVLDB
2010
93views more  PVLDB 2010»
13 years 5 months ago
Distributed Threshold Querying of General Functions by a Difference of Monotonic Representation
The goal of a threshold query is to detect all objects whose score exceeds a given threshold. This type of query is used in many settings, such as data mining, event triggering, a...
Guy Sagy, Daniel Keren, Izchak Sharfman, Assaf Sch...
SOSP
2009
ACM
14 years 4 months ago
Distributed aggregation for data-parallel computing: interfaces and implementations
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
Yuan Yu, Pradeep Kumar Gunda, Michael Isard