4397 search results - page 1 / 880 » Relational Algebra Operations |
VLDB
2008
ACM
14 years 7 months ago
2008
ACM
This paper presents a probabilistic relational modelling (implementation) of the major probabilistic retrieval models. Such a high-level implementation is useful since it supports ...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
We show that any expression of the relational division operator in the relational algebra with union, difference, projection, selection, constant-tagging, and joins, must produce ...
RELMICS
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we present some examples of relational correspondences for not necessarily distributive lattices with modal-like operators of possibility (normal and additive operato...
PEPM
2010
ACM
14 years 4 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
ICCS
2009
Springer
14 years 2 months ago
2009
Springer
