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Relational algebra
Known as:
Natural join
, Relational logic
, Relational
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Relational algebra, first created by E.F. Codd while at IBM, is a family of algebras with a well-founded semantics used for modelling the data stored…
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Related topics
Related topics
49 relations
Aggregate function
Apache Calcite
Apache UIMA
Atomic formula
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Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2007
2007
Modelling retrieval models in a probabilistic relational algebra with a new operator: the relational Bayes
T. Roelleke
,
Hengzhi Wu
,
Jun Wang
,
H. Azzam
The VLDB journal
2007
Corpus ID: 16822545
This paper presents a probabilistic relational modelling (implementation) of the major probabilistic retrieval models. Such a…
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2004
2004
Finding bugs in software with a constraint solver
Mandana Vaziri-Farahani
2004
Corpus ID: 17541550
We present a static technique for finding bugs in object-oriented procedures. It is capable of checking complex user-defined…
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Highly Cited
2000
Highly Cited
2000
Foundation for Future Database Systems: The Third Manifesto
C. J. Date
,
Hugh Darwen
2000
Corpus ID: 61700949
From the Publisher: A detailed study of the impact of objects and type theory on the relational model of data, including a…
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2000
2000
Exploiting Spatial Indexes for Semijoin-Based Join Processing in Distributed Spatial Databases
K. Tan
,
B. Ooi
,
D. Abel
IEEE Transactions on Knowledge and Data…
2000
Corpus ID: 698027
In a distributed spatial database system, a user may issue a query that relates two spatial relations not stored at the same site…
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Highly Cited
1992
Highly Cited
1992
Functional dependencies and normal forms in the fuzzy relational database model
S. Shenoi
,
A. Melton
,
L. Fan
Information Sciences
1992
Corpus ID: 28340219
1989
1989
Partition Strategy for Distributed Query Processing in Fast Local Networks
Clement T. Yu
,
Keh-Chang Guh
,
David Brill
,
Arbee L. P. Chen
IEEE Trans. Software Eng.
1989
Corpus ID: 26216875
A partition-and-replicate strategy for processing distributed queries referencing no fragmented relation is sketched. An…
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Highly Cited
1988
Highly Cited
1988
Optimizing Join Queries in Distributed Databases
S. Pramanik
,
D. Vineyard
IEEE Trans. Software Eng.
1988
Corpus ID: 44603924
A reduced cover set of the set of full reducer semijoin programs for an acyclic query graph for a distributed database system is…
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Highly Cited
1985
Highly Cited
1985
A language and a physical organization technique for summary tables
G. Özsoyoglu
,
Z. M. Özsoyoglu
,
Francisco Mata
SIGMOD Conference
1985
Corpus ID: 15773624
A summary table IS a tabular representation of summary data, and 1s a useful data structure for statlstlcal databases Prlnutlve…
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1983
1983
An extension of relational algebra for summary tables
Z. Ozsoyoglu
,
G. Ozsoyoglu
1983
Corpus ID: 60647067
A summary table is one of the useful data structures used in statistical databases. For an algebraic summary table manipulation…
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1982
1982
A Heuristic Approach to Distributed Query Processing
Jo-Mei Chang
Very Large Data Bases Conference
1982
Corpus ID: 6192012
In a distributed database environment, finding the optimal strategy which fully reduces all relations referenced by a general…
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