173 search results - page 22 / 35 » Consistent Query Answering in Data Warehouses |
BTW
2005
Springer
14 years 3 months ago
2005
Springer
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
INFOCOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—We envision a two-tier sensor network which consists of resource-rich master nodes at the upper tier and resourcepoor sensor nodes at the lower tier. Master nodes collect data f...
STACS
2012
Springer
12 years 5 months ago
2012
Springer
A mode of a multiset S is an element a ∈ S of maximum multiplicity; that is, a occurs at least as frequently as any other element in S. Given an array A[1 : n] of n elements, we...
EMNLP
2009
13 years 7 months ago
2009
There have been increasing needs for task specific rankings in web search such as rankings for specific query segments like long queries, time-sensitive queries, navigational quer...
MDM
2010
Springer
14 years 2 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...