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Exact and Approximate Aggregation in Constraint Query
Note: Links lead to the DBLP on the Web.
Leonid Libkin
44
Michael Benedikt
,
Martin Grohe
, Leonid Libkin,
Luc Segoufin
: Reachability and Connectivity Queries in Constraint Databases.
PODS 2000
: 0-
43
Leonid Libkin: Logics with Counting, Auxiliary Relations, and Lower Bounds for Invariant Queries.
LICS 1999
: 316-325
42
Lauri Hella
, Leonid Libkin,
Juha Nurmonen
,
Limsoon Wong
: Logics with Aggregate Operators.
LICS 1999
: 35-44
41
Michael Benedikt
, Leonid Libkin: Exact and Approximate Aggregation in Constraint Query.
PODS 1999
: 102-113
40
Leonid Libkin: What you can and cannot say in SQL or proving folk theorems in database theory.
Proc. 15èmes Journées Bases de Données Avancées, BDA 1999
: 425
39
Leonid Libkin: Some Remarks on Variable Independence, Closure, and Orthographic Dimension in Constraint Databases.
SIGMOD Record 28
(4): 24-28 (1999)
38
Leonid Libkin: Database Principles Column - Introduction.
SIGMOD Record 28
(4): 29 (1999)
37
Leonid Libkin: On Counting Logics and Local Properties.
LICS 1998
: 501-512
36
Michael Benedikt
, Leonid Libkin: Safe Constraint Queries.
PODS 1998
: 99-108
35
Leonid Libkin,
Limsoon Wong
: Unary Quantifiers, Transitive Closure, and Relations of Large Degree.
STACS 1998
: 183-193
34
Michael Benedikt
,
Timothy Griffin
, Leonid Libkin: Verifiable Properties of Database Transactions.
Information and Computation 147
(1): 57-88 (1998)
33
Michael Benedikt
,
Guozhu Dong
, Leonid Libkin,
Limsoon Wong
: Relational Expressive Power of Constraint Query Languages.
JACM 45
(1): 1-34 (1998)
32
Leonid Libkin: Models of Approximation in Databases.
TCS 190
(2): 167-210 (1998)
31
Leonid Libkin,
Limsoon Wong
: Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions.
DBPL 1997
: 222-238
30
Leonid Libkin,
Limsoon Wong
: On the Power of Aggregation in Relational Query Languages.
DBPL 1997
: 260-280
29
Guozhu Dong
, Leonid Libkin,
Limsoon Wong
: Local Properties of Query Languages.
ICDT 1997
: 140-154
28
Latha S. Colby
, Leonid Libkin: Tractable Iteration Mechanisms for Bag Languages.
ICDT 1997
: 461-475
27
Leonid Libkin: On the Forms of Locality over Finite Models.
LICS 1997
: 204-215
26
Michael Benedikt
, Leonid Libkin: Languages for Relational Databases over Interpreted Structures.
PODS 1997
: 87-98
25
Leonid Libkin,
Limsoon Wong
: Query Languages for Bags and Aggregate Functions.
JCSS 55
(2): 241-272 (1997)
24
Timothy Griffin
, Leonid Libkin,
Howard Trickey
: An Improved Algorithm for the Incremental Recomputation of Active Relational Expressions.
TKDE 9
(3): 508-511 (1997)
23
Michael Benedikt
, Leonid Libkin: On the Structure of Queries in Constraint Query Languages.
LICS 1996
: 25-34
22
Michael Benedikt
,
Timothy Griffin
, Leonid Libkin: Verifiable Properties of Database Transactions.
PODS 1996
: 117-127
21
Michael Benedikt
,
Guozhu Dong
, Leonid Libkin,
Limsoon Wong
: Relational Expressive Power of Constraint Query Languages.
PODS 1996
: 5-16
20
Leonid Libkin,
Rona Machlin
,
Limsoon Wong
: A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques.
SIGMOD Conf. 1996
: 228-239
19
Latha S. Colby
,
Timothy Griffin
, Leonid Libkin,
Inderpal Singh Mumick
,
Howard Trickey
: Algorithms for Deferred View Maintenance.
SIGMOD Conf. 1996
: 469-480
18
Leonid Libkin,
Limsoon Wong
: Semantic Representations and Query Labguages for Or-Sets.
JCSS 52
(1): 125-142 (1996)
17
Leonid Libkin: Query Language Primitives for Programming with Incomplete Databases.
DBPL 1995
: 6
16
Guozhu Dong
, Leonid Libkin,
Limsoon Wong
: On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL.
DBPL 1995
: 7
15
Leonid Libkin: Approximation in Databases.
ICDT 1995
: 411-424
14
Leonid Libkin: Normalizing Incomplete Databases.
PODS 1995
: 219-230
13
Timothy Griffin
, Leonid Libkin: Incremental Maintenance of Views with Duplicates.
SIGMOD Conference 1995
: 328-339
12
Leonid Libkin: A Semantics-based Approach to Design of Query Languages for Partial Information.
Semantics in Databases 1995
: 170-208
11
Elsa L. Gunter
, Leonid Libkin: Interfacing HOL90 with a Functional Database Query Language.
TPHOLs 1995
: 170-185
10
Leonid Libkin,
Limsoon Wong
: On Representation and Querying Incomplete Information in Databases with Bags.
IPL 56
(4): 209-214 (1995)
9
Elsa L. Gunter
, Leonid Libkin: OR-SML: A Functional Database Programming Language for Disjunctive Information and Its Applications.
DEXA 1994
: 641-650
8
Leonid Libkin,
Limsoon Wong
: New Techniques for Studying Set Languages, Bag Languages and Aggregate Functions.
PODS 1994
: 155-166
7
Leonid Libkin,
Limsoon Wong
: Conservativity of Nested Relational Calculi with Internal Generic Functions.
IPL 49
(6): 273-280 (1994)
6
Peter Buneman
, Leonid Libkin,
Dan Suciu
,
Val Tannen
,
Limsoon Wong
: Comprehension Syntax.
SIGMOD Record 23
(1): 87-96 (1994)
5
Leonid Libkin,
Limsoon Wong
: Aggregate Functions, Conservative Extensions, and Linear Orders.
DBPL 1993
: 282-294
4
Leonid Libkin,
Limsoon Wong
: Some Properties of Query Languages for Bags.
DBPL 1993
: 97-114
3
Leonid Libkin,
Limsoon Wong
: Semantic Representations and Query Languages for Or-sets.
PODS 1993
: 37-48
2
Leonid Libkin: A Relational Algebra for Complex Objects Based on Partial Information.
MFDBS 1991
: 29-43
1
János Demetrovics
, Leonid Libkin,
Ilya B. Muchnik
: Functional Dependencies and the Semilattice of Closed Classes.
MFDBS 1989
: 136-147
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