2008 |
125 | EE | Anthony Widjaja To,
Leonid Libkin:
Recurrent Reachability Analysis in Regular Model Checking.
LPAR 2008: 198-213 |
124 | EE | Leonid Libkin,
Cristina Sirangelo:
Reasoning about XML with Temporal Logics and Automata.
LPAR 2008: 97-112 |
123 | EE | Leonid Libkin,
Cristina Sirangelo:
Data exchange and schema mappings in open and closed worlds.
PODS 2008: 139-148 |
122 | EE | Leonid Libkin:
Introduction to the PODS 2007 special section.
ACM Trans. Database Syst. 33(4): (2008) |
121 | EE | Marcelo Arenas,
Pablo Barceló,
Leonid Libkin:
Game-based notions of locality over finite models.
Ann. Pure Appl. Logic 152(1-3): 3-30 (2008) |
120 | EE | Rajeev Alur,
Marcelo Arenas,
Pablo Barceló,
Kousha Etessami,
Neil Immerman,
Leonid Libkin:
First-Order and Temporal Logics for Nested Words
CoRR abs/0811.0537: (2008) |
119 | EE | Marcelo Arenas,
Leonid Libkin:
XML data exchange: Consistency and query answering.
J. ACM 55(2): (2008) |
118 | EE | Marcelo Arenas,
Wenfei Fan,
Leonid Libkin:
On the Complexity of Verifying Consistency of XML Specifications.
SIAM J. Comput. 38(3): 841-880 (2008) |
2007 |
117 | | Leonid Libkin:
Proceedings of the Twenty-Sixth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, June 11-13, 2007, Beijing, China
ACM 2007 |
116 | EE | Marcelo Arenas,
Pablo Barceló,
Leonid Libkin:
Regular Languages of Nested Words: Fixed Points, Automata, and Synchronization.
ICALP 2007: 888-900 |
115 | EE | Marcelo Arenas,
Pablo Barceló,
Leonid Libkin:
Combining Temporal Logics for Querying XML Documents.
ICDT 2007: 359-373 |
114 | EE | Rajeev Alur,
Marcelo Arenas,
Pablo Barceló,
Kousha Etessami,
Neil Immerman,
Leonid Libkin:
First-Order and Temporal Logics for Nested Words.
LICS 2007: 151-160 |
113 | EE | Solmaz Kolahi,
Leonid Libkin:
XML design for relational storage.
WWW 2007: 1083-1092 |
112 | EE | Leonid Libkin:
Normalization Theory for XML.
XSym 2007: 1-13 |
111 | EE | Michael Benedikt,
Leonid Libkin,
Frank Neven:
Logical definability and query languages over ranked and unranked trees.
ACM Trans. Comput. Log. 8(2): (2007) |
110 | EE | Thomas Eiter,
Leonid Libkin:
Preface.
Theor. Comput. Sci. 371(3): 147 (2007) |
2006 |
109 | EE | Solmaz Kolahi,
Leonid Libkin:
On redundancy vs dependency preservation in normalization: an information-theoretic study of 3NF.
PODS 2006: 114-123 |
108 | EE | Leonid Libkin:
Data exchange and incomplete information.
PODS 2006: 60-69 |
107 | EE | Thomas Eiter,
Leonid Libkin:
Introduction to special ICDT section.
ACM Trans. Database Syst. 31(3): 769 (2006) |
106 | EE | Leonid Libkin:
Logics for Unranked Trees: An Overview
CoRR abs/cs/0606062: (2006) |
105 | EE | Leonid Libkin:
Locality of Queries and Transformations.
Electr. Notes Theor. Comput. Sci. 143: 115-127 (2006) |
104 | EE | Leonid Libkin:
Logics for Unranked Trees: An Overview.
Logical Methods in Computer Science 2(3): (2006) |
2005 |
103 | | Thomas Eiter,
Leonid Libkin:
Database Theory - ICDT 2005, 10th International Conference, Edinburgh, UK, January 5-7, 2005, Proceedings
Springer 2005 |
102 | EE | Leonid Libkin:
Logics for Unranked Trees: An Overview.
ICALP 2005: 35-50 |
101 | EE | Marcelo Arenas,
Wenfei Fan,
Leonid Libkin:
Consistency of XML Specifications.
Inconsistency Tolerance 2005: 15-41 |
100 | EE | Pablo Barceló,
Leonid Libkin:
Temporal Logics over Unranked Trees.
LICS 2005: 31-40 |
99 | EE | Marcelo Arenas,
Leonid Libkin:
XML data exchange: consistency and query answering.
PODS 2005: 13-24 |
98 | EE | Marcelo Arenas,
Leonid Libkin:
An information-theoretic approach to normal forms for relational and XML data.
J. ACM 52(2): 246-283 (2005) |
2004 |
97 | | Leonid Libkin:
Elements of Finite Model Theory
Springer 2004 |
96 | EE | Marcelo Arenas,
Pablo Barceló,
Leonid Libkin:
Game-Based Notions of Locality Over Finite Models.
CSL 2004: 175-189 |
95 | EE | Denilson Barbosa,
Alberto O. Mendelzon,
Leonid Libkin,
Laurent Mignet,
Marcelo Arenas:
Efficient Incremental Validation of XML Documents.
ICDE 2004: 671-682 |
94 | EE | Marcelo Arenas,
Pablo Barceló,
Ronald Fagin,
Leonid Libkin:
Locally Consistent Transformations and Query Answering in Data Exchange.
PODS 2004: 229-240 |
93 | EE | Marcelo Arenas,
Leonid Libkin:
A normal form for XML documents.
ACM Trans. Database Syst. 29: 195-232 (2004) |
2003 |
92 | EE | Leonid Libkin,
Frank Neven:
Logical Definability and Query Languages over Unranked Trees.
LICS 2003: 178-187 |
91 | EE | Marcelo Arenas,
Leonid Libkin:
An information-theoretic approach to normal forms for relational and XML data.
PODS 2003: 15-26 |
90 | EE | Leonid Libkin:
Variable independence for first-order definable constraints.
ACM Trans. Comput. Log. 4(4): 431-451 (2003) |
89 | EE | Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
Incremental recomputation in local languages.
Inf. Comput. 181(2): 88-98 (2003) |
88 | EE | Leonid Libkin:
A collapse result for constraint queries over structures of small degree.
Inf. Process. Lett. 86(5): 277-281 (2003) |
87 | EE | Michael Benedikt,
Leonid Libkin,
Thomas Schwentick,
Luc Segoufin:
Definable relations and first-order query languages over strings.
J. ACM 50(5): 694-751 (2003) |
86 | EE | Michael Benedikt,
Martin Grohe,
Leonid Libkin,
Luc Segoufin:
Reachability and connectivity queries in constraint databases.
J. Comput. Syst. Sci. 66(1): 169-206 (2003) |
85 | EE | Leonid Libkin:
Expressive power of SQL.
Theor. Comput. Sci. 296(3): 379-404 (2003) |
2002 |
84 | EE | Marcelo Arenas,
Wenfei Fan,
Leonid Libkin:
What's Hard about XML Schema Constraints?
DEXA 2002: 269-278 |
83 | EE | Michael Benedikt,
Leonid Libkin:
Tree Extension Algebras: Logics, Automata, and Query Languages.
LICS 2002: 203- |
82 | EE | Marcelo Arenas,
Wenfei Fan,
Leonid Libkin:
On Verifying Consistency of XML Specifications.
PODS 2002: 259-270 |
81 | EE | Marcelo Arenas,
Leonid Libkin:
A Normal Form for XML Documents.
PODS 2002: 85-96 |
80 | EE | Martín Abadi,
Leonid Libkin,
Frank Pfenning:
Editorial.
ACM Trans. Comput. Log. 3(3): 335-335 (2002) |
79 | EE | Wenfei Fan,
Leonid Libkin:
On XML integrity constraints in the presence of DTDs.
J. ACM 49(3): 368-406 (2002) |
78 | EE | Michael Benedikt,
Leonid Libkin:
Aggregate Operators in Constraint Query Languages.
J. Comput. Syst. Sci. 64(3): 628-654 (2002) |
77 | | Leonid Libkin,
Limsoon Wong:
Lower bounds for invariant queries in logics with counting.
Theor. Comput. Sci. 288(1): 153-180 (2002) |
2001 |
76 | EE | Leonid Libkin:
Expressive Power of SQL.
ICDT 2001: 1-21 |
75 | | Michael Benedikt,
Leonid Libkin,
Thomas Schwentick,
Luc Segoufin:
A Model-Theoretic Approach to Regular String Relations.
LICS 2001: 431- |
74 | EE | Wenfei Fan,
Leonid Libkin:
On XML Integrity Constraints in the Presence of DTDs.
PODS 2001 |
73 | EE | Michael Benedikt,
Leonid Libkin,
Thomas Schwentick,
Luc Segoufin:
String Operations in Query Languages.
PODS 2001 |
72 | EE | Leonid Libkin:
Logics capturing local properties.
ACM Trans. Comput. Log. 2(1): 135-153 (2001) |
71 | EE | Stavros S. Cosmadakis,
Gabriel M. Kuper,
Leonid Libkin:
On the orthographic dimension of definable sets.
Inf. Process. Lett. 79(3): 141-145 (2001) |
70 | EE | Lauri Hella,
Leonid Libkin,
Juha Nurmonen,
Limsoon Wong:
Logics with aggregate operators.
J. ACM 48(4): 880-907 (2001) |
69 | EE | Kenneth A. Ross,
Stefano Ceri,
Luis Gravano,
Per-Åke Larson,
Leonid Libkin,
Tova Milo:
Reminiscences on Influential Papers.
SIGMOD Record 30(1): 55-57 (2001) |
2000 |
68 | | Gabriel M. Kuper,
Leonid Libkin,
Jan Paredaens:
Constraint Databases
Springer 2000 |
67 | | Gabriel M. Kuper,
Leonid Libkin,
Jan Paredaens:
Introduction.
Constraint Databases 2000: 1-16 |
66 | | Michael Benedikt,
Leonid Libkin:
Query Safety with Constraints.
Constraint Databases 2000: 109-129 |
65 | | Jan Chomicki,
Leonid Libkin:
Aggregate Languages for Constraint Databases.
Constraint Databases 2000: 131-154 |
64 | | Michael Benedikt,
Leonid Libkin:
Expressive Power: The Finite Case.
Constraint Databases 2000: 55-87 |
63 | EE | Leonid Libkin:
Variable Independence, Quantifier Elimination, and Constraint Representations.
ICALP 2000: 260-271 |
62 | EE | Michael Benedikt,
Martin Grohe,
Leonid Libkin,
Luc Segoufin:
Reachability and Connectivity Queries in Constraint Databases.
PODS 2000: 104-115 |
61 | EE | Leonid Libkin:
Logics Capturing Local Properties.
STACS 2000: 217-229 |
60 | EE | Leonid Libkin:
Logics with counting and local properties.
ACM Trans. Comput. Log. 1(1): 33-59 (2000) |
59 | EE | Michael Benedikt,
Leonid Libkin:
Relational queries over interpreted structures.
J. ACM 47(4): 644-680 (2000) |
58 | | Michael Benedikt,
Leonid Libkin:
Safe Constraint Queries.
SIAM J. Comput. 29(5): 1652-1682 (2000) |
57 | EE | Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
Local properties of query languages.
Theor. Comput. Sci. 239(2): 277-308 (2000) |
1999 |
56 | EE | Leonid Libkin,
Limsoon Wong:
On the Power of Incremental Evaluation in SQL-Like Languages.
DBPL 1999: 17-30 |
55 | EE | Leonid Libkin:
Logics with Counting, Auxiliary Relations, and Lower Bounds for Invariant Queries.
LICS 1999: 316-325 |
54 | EE | Lauri Hella,
Leonid Libkin,
Juha Nurmonen,
Limsoon Wong:
Logics with Aggregate Operators.
LICS 1999: 35-44 |
53 | EE | Michael Benedikt,
Leonid Libkin:
Exact and Approximate Aggregation in Constraint Query.
PODS 1999: 102-113 |
52 | | 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 |
51 | | Lauri Hella,
Leonid Libkin,
Juha Nurmonen:
Notions of Locality and Their Logical Characterizations over Finite Models.
J. Symb. Log. 64(4): 1751-1773 (1999) |
50 | EE | Leonid Libkin:
Some Remarks on Variable Independence, Closure, and Orthographic Dimension in Constraint Databases.
SIGMOD Record 28(4): 24-28 (1999) |
49 | EE | Leonid Libkin:
Database Principles Column - Introduction.
SIGMOD Record 28(4): 29 (1999) |
1998 |
48 | | Leonid Libkin,
Bernhard Thalheim:
Semantics in Databases, Selected Papers from a Workshop, Prague, Czech Republic, 1995
Springer 1998 |
47 | | Leonid Libkin:
On Counting Logics and Local Properties.
LICS 1998: 501-512 |
46 | EE | Michael Benedikt,
Leonid Libkin:
Safe Constraint Queries.
PODS 1998: 99-108 |
45 | | Leonid Libkin,
Limsoon Wong:
Unary Quantifiers, Transitive Closure, and Relations of Large Degree.
STACS 1998: 183-193 |
44 | | Michael Benedikt,
Timothy Griffin,
Leonid Libkin:
Verifiable Properties of Database Transactions.
Inf. Comput. 147(1): 57-88 (1998) |
43 | EE | Michael Benedikt,
Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
Relational Expressive Power of Constraint Query Languages.
J. ACM 45(1): 1-34 (1998) |
42 | EE | Leonid Libkin:
Models of Approximation in Databases.
Theor. Comput. Sci. 190(2): 167-210 (1998) |
1997 |
41 | EE | Leonid Libkin,
Limsoon Wong:
Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions.
DBPL 1997: 222-238 |
40 | EE | Leonid Libkin,
Limsoon Wong:
On the Power of Aggregation in Relational Query Languages.
DBPL 1997: 260-280 |
39 | EE | Leonid Libkin,
Juha Nurmonen:
Counting and Locality over Finite Structures: A Survey.
ESSLLI 1997: 18-50 |
38 | EE | Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
Local Properties of Query Languages.
ICDT 1997: 140-154 |
37 | EE | Latha S. Colby,
Leonid Libkin:
Tractable Iteration Mechanisms for Bag Languages.
ICDT 1997: 461-475 |
36 | EE | Leonid Libkin:
On the Forms of Locality over Finite Models.
LICS 1997: 204-215 |
35 | EE | Michael Benedikt,
Leonid Libkin:
Languages for Relational Databases over Interpreted Structures.
PODS 1997: 87-98 |
34 | EE | Timothy Griffin,
Leonid Libkin,
Howard Trickey:
An Improved Algorithm for the Incremental Recomputation of Active Relational Expressions.
IEEE Trans. Knowl. Data Eng. 9(3): 508-511 (1997) |
33 | | Leonid Libkin,
Limsoon Wong:
Query Languages for Bags and Aggregate Functions.
J. Comput. Syst. Sci. 55(2): 241-272 (1997) |
1996 |
32 | | Michael Benedikt,
Leonid Libkin:
On the Structure of Queries in Constraint Query Languages.
LICS 1996: 25-34 |
31 | EE | Michael Benedikt,
Timothy Griffin,
Leonid Libkin:
Verifiable Properties of Database Transactions.
PODS 1996: 117-127 |
30 | EE | Michael Benedikt,
Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
Relational Expressive Power of Constraint Query Languages.
PODS 1996: 5-16 |
29 | EE | Leonid Libkin,
Rona Machlin,
Limsoon Wong:
A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques.
SIGMOD Conference 1996: 228-239 |
28 | EE | Latha S. Colby,
Timothy Griffin,
Leonid Libkin,
Inderpal Singh Mumick,
Howard Trickey:
Algorithms for Deferred View Maintenance.
SIGMOD Conference 1996: 469-480 |
27 | | Leonid Libkin,
Limsoon Wong:
Semantic Representations and Query Labguages for Or-Sets.
J. Comput. Syst. Sci. 52(1): 125-142 (1996) |
1995 |
26 | EE | Leonid Libkin:
Query Language Primitives for Programming with Incomplete Databases.
DBPL 1995: 6 |
25 | EE | Guozhu Dong,
Leonid Libkin,
Limsoon Wong:
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL.
DBPL 1995: 7 |
24 | EE | Leonid Libkin:
Approximation in Databases.
ICDT 1995: 411-424 |
23 | EE | Leonid Libkin:
Normalizing Incomplete Databases.
PODS 1995: 219-230 |
22 | EE | Timothy Griffin,
Leonid Libkin:
Incremental Maintenance of Views with Duplicates.
SIGMOD Conference 1995: 328-339 |
21 | | Leonid Libkin:
A Semantics-based Approach to Design of Query Languages for Partial Information.
Semantics in Databases 1995: 170-208 |
20 | | Elsa L. Gunter,
Leonid Libkin:
Interfacing HOL90 with a Functional Database Query Language.
TPHOLs 1995: 170-185 |
19 | EE | Leonid Libkin,
Vladimir Gurvich:
Trees as semilattices.
Discrete Mathematics 145(1-3): 321-327 (1995) |
18 | EE | Leonid Libkin,
Limsoon Wong:
On Representation and Querying Incomplete Information in Databases with Bags.
Inf. Process. Lett. 56(4): 209-214 (1995) |
1994 |
17 | | Elsa L. Gunter,
Leonid Libkin:
OR-SML: A Functional Database Programming Language for Disjunctive Information and Its Applications.
DEXA 1994: 641-650 |
16 | EE | Leonid Libkin,
Limsoon Wong:
New Techniques for Studying Set Languages, Bag Languages and Aggregate Functions.
PODS 1994: 155-166 |
15 | | Leonid Libkin,
Limsoon Wong:
Conservativity of Nested Relational Calculi with Internal Generic Functions.
Inf. Process. Lett. 49(6): 273-280 (1994) |
14 | EE | Peter Buneman,
Leonid Libkin,
Dan Suciu,
Val Tannen,
Limsoon Wong:
Comprehension Syntax.
SIGMOD Record 23(1): 87-96 (1994) |
1993 |
13 | EE | Leonid Libkin,
Limsoon Wong:
Aggregate Functions, Conservative Extensions, and Linear Orders.
DBPL 1993: 282-294 |
12 | EE | Leonid Libkin,
Limsoon Wong:
Some Properties of Query Languages for Bags.
DBPL 1993: 97-114 |
11 | EE | Leonid Libkin,
Limsoon Wong:
Semantic Representations and Query Languages for Or-sets.
PODS 1993: 37-48 |
10 | EE | Leonid Libkin:
Direct product decompositions of lattices, closures and relation schemes.
Discrete Mathematics 112(1-3): 119-138 (1993) |
1992 |
9 | EE | János Demetrovics,
G. Hencsey,
Leonid Libkin,
Ilya B. Muchnik:
On the Interaction Between Closure Operations and Choice Functions with Applications to Relational Database.
Acta Cybern. 10(3): 129-140 (1992) |
8 | EE | János Demetrovics,
G. Hencsey,
Leonid Libkin,
Ilya B. Muchnik:
Normal Form Relation Schemes: A New Characterization.
Acta Cybern. 10(3): 141-164 (1992) |
7 | | Leonid Libkin:
An elementary proof that upper and lower powerdomain constructions commute.
Bulletin of the EATCS 48: 175-177 (1992) |
6 | | János Demetrovics,
Leonid Libkin,
Ilya B. Muchnik:
Functional Dependencies in Relational Databases: A Lattice Point of View.
Discrete Applied Mathematics 40(2): 155-185 (1992) |
1991 |
5 | EE | Leonid Libkin:
A Relational Algebra for Complex Objects Based on Partial Information.
MFDBS 1991: 29-43 |
4 | | Achim Jung,
Leonid Libkin,
Hermann Puhlmann:
Decomposition of Domains.
MFPS 1991: 235-258 |
3 | | Joachim Biskup,
János Demetrovics,
Leonid Libkin,
Ilya B. Muchnik:
On Relational Database Schemes Having Unique Minimal Key.
Elektronische Informationsverarbeitung und Kybernetik 27(4): 217-225 (1991) |
1990 |
2 | | Georg Gottlob,
Leonid Libkin:
Investigation on Armstrong relations, dependency inference, and excluded functional dependencies.
Acta Cybern. 9(4): 385-402 (1990) |
1989 |
1 | EE | János Demetrovics,
Leonid Libkin,
Ilya B. Muchnik:
Functional Dependencies and the Semilattice of Closed Classes.
MFDBS 1989: 136-147 |