623 search results - page 86 / 125 » An Empirical Study of Query Specificity |
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
VLDB
2009
ACM
14 years 9 months ago
2009
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this article, we initiate research on the anytime ...
WSDM
2010
ACM
14 years 6 months ago
2010
ACM
We study the fundamental problem of computing distances between nodes in large graphs such as the web graph and social networks. Our objective is to be able to answer distance que...
SODA
2010
ACM
14 years 6 months ago
2010
ACM
We study the dynamic membership problem, one of the most fundamental data structure problems, in the cell probe model with an arbitrary cell size. We consider a cell probe model e...
ICWE
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. In recent years, more and more publications and material for studying and teaching, e. g. for Web-based teaching (WBT), appear "online" and digital libraries ar...