2009 |
70 | EE | Sven Hartmann,
Sebastian Link:
Expressive, yet tractable XML keys.
EDBT 2009: 357-367 |
2008 |
69 | | Sven Hartmann,
Gabriele Kern-Isberner:
Foundations of Information and Knowledge Systems, 5th International Symposium, FoIKS 2008, Pisa, Italy, February 11-15, 2008, Proceedings
Springer 2008 |
68 | | Sven Hartmann,
Xiaofang Zhou,
Markus Kirchberg:
Web Information Systems Engineering - WISE 2008 Workshops, WISE 2008 International Workshops, Auckland, New Zealand, September 1-4, 2008. Proceedings
Springer 2008 |
67 | | Il-Yeol Song,
Mario Piattini,
Yi-Ping Phoebe Chen,
Sven Hartmann,
Fabio Grandi,
Juan Trujillo,
Andreas L. Opdahl,
Fernando Ferri,
Patrizia Grifoni,
Maria Chiara Caschera,
Colette Rolland,
Carson Woo,
Camille Salinesi,
Esteban Zimányi,
Christophe Claramunt,
Flavius Frasincar,
Geert-Jan Houben,
Philippe Thiran:
Advances in Conceptual Modeling - Challenges and Opportunities, ER 2008 Workshops CMLSA, ECDM, FP-UML, M2AS, RIGiM, SeCoGIS, WISM, Barcelona Spain, October 20-23, 2008. Proceedings
Springer 2008 |
66 | EE | Sven Hartmann,
Sebastian Link,
Thu Trinh:
Constraint Acquisition - You Can Chase but You Cannot Find.
APCCM 2008: 59-68 |
65 | EE | Yi-Ping Phoebe Chen,
Sven Hartmann,
Markus Kirchberg:
Preface to CMLSA 2008.
ER Workshops 2008: 1 |
64 | EE | Sven Hartmann,
Henning Köhler,
Sebastian Link,
Thu Trinh,
Jing Wang:
On the Notion of an XML Key.
SDKB 2008: 103-112 |
63 | EE | Sven Hartmann,
Sebastian Link:
Characterising nested database dependencies by fragments of propositional logic.
Ann. Pure Appl. Logic 152(1-3): 84-106 (2008) |
62 | EE | Sven Hartmann,
Uwe Leck,
Volker Leck:
More orthogonal double covers of complete graphs by Hamiltonian paths.
Discrete Mathematics 308(12): 2502-2508 (2008) |
61 | EE | Gennian Ge,
Martin Grüttmüller,
Sven Hartmann,
Rolf S. Rees:
Mandatory representation designs I with k=2mod3.
Discrete Mathematics 308(23): 5394-5406 (2008) |
2007 |
60 | | John C. Grundy,
Sven Hartmann,
Alberto H. F. Laender,
Leszek A. Maciaszek,
John F. Roddick:
Challenges in Conceptual Modelling. Tutorials, posters, panels and industrial contributions at the 26th International Conference on Conceptual Modeling - ER 2007. Auckland, New Zealand, November 5-9, 2007. Proceedings
Australian Computer Society 2007 |
59 | | Jean-Luc Hainaut,
Elke A. Rundensteiner,
Markus Kirchberg,
Michela Bertolotto,
Mathias Brochhausen,
Yi-Ping Phoebe Chen,
Samira Si-Said Cherfi,
Martin Doerr,
Hyoil Han,
Sven Hartmann,
Jeffrey Parsons,
Geert Poels,
Colette Rolland,
Juan Trujillo,
Eric S. K. Yu,
Esteban Zimányi:
Advances in Conceptual Modeling - Foundations and Applications, ER 2007 Workshops CMLSA, FP-UML, ONISW, QoIS, RIGiM,SeCoGIS, Auckland, New Zealand, November 5-9, 2007, Proceedings
Springer 2007 |
58 | EE | Sven Hartmann,
Sebastian Link:
On Inferences of Full Hierarchical Dependencies.
ACSC 2007: 69-78 |
57 | EE | Sven Hartmann,
Sebastian Link:
English Sentence Structures and EER Modeling.
APCCM 2007: 27-35 |
56 | EE | Sven Hartmann,
Hui Ma,
Klaus-Dieter Schewe:
Cost-Based Vertical Fragmentation for XML.
APWeb/WAIM Workshops 2007: 12-24 |
55 | EE | Sven Hartmann,
Sebastian Link,
Thu Trinh:
Efficient Reasoning About XFDs with Pre-image Semantics.
DASFAA 2007: 1070-1074 |
54 | EE | Sven Hartmann,
Sebastian Link:
XML Query Optimisation: Specify your Selectivity.
DEXA Workshops 2007: 30-34 |
53 | EE | Sven Hartmann,
Sebastian Link:
Collection Type Constructors in Entity-Relationship Modeling.
ER 2007: 307-322 |
52 | EE | Yi-Ping Phoebe Chen,
Sven Hartmann:
Preface to CMLSA 2007.
ER Workshops 2007: 1-2 |
51 | EE | Sven Hartmann,
Sebastian Link:
Unlocking Keys for XML Trees.
ICDT 2007: 104-118 |
50 | EE | Sven Hartmann,
Sebastian Link:
Numerical Constraints for XML.
WoLLIC 2007: 203-217 |
49 | EE | Sven Hartmann,
Henning Köhler,
Sebastian Link:
Full hierarchical dependencies in fixed and undetermined universes.
Ann. Math. Artif. Intell. 50(1-2): 195-226 (2007) |
2006 |
48 | | Markus Stumptner,
Sven Hartmann,
Yasushi Kiyoki:
Conceptual Modelling 2006, Third Asia-Pacific Conference on Conceptual Modelling (APCCM 2005), Hobart, Tasmania, Australia, January 16-19 2006
Australian Computer Society 2006 |
47 | EE | Sven Hartmann,
Sebastian Link:
Horn clauses and functional dependencies in complex-value databases.
ADC 2006: 21-30 |
46 | EE | Robert Minchin,
Fabio Porto,
Christelle Vangenot,
Sven Hartmann:
Symptoms Ontology for Mapping Diagnostic Knowledge Systems.
CBMS 2006: 593-598 |
45 | EE | Sven Hartmann,
Sebastian Link:
The Nested List Normal Form for Functional and Multivalued Dependencies.
FoIKS 2006: 137-158 |
44 | EE | Sven Hartmann,
Thu Trinh:
Axiomatising Functional Dependencies for XML with Frequencies.
FoIKS 2006: 159-178 |
43 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Functional and multivalued dependencies in nested databases generated by record and list constructor.
Ann. Math. Artif. Intell. 46(1-2): 114-164 (2006) |
42 | EE | Sven Hartmann,
Sebastian Link:
An Equivalence between Dependencies in Nested Databases and a Fragment of Propositional Logic.
Electr. Notes Theor. Comput. Sci. 143: 73-85 (2006) |
41 | EE | Sven Hartmann,
Sebastian Link:
On a problem of Fagin concerning multivalued dependencies in relational databases.
Theor. Comput. Sci. 353(1-3): 53-62 (2006) |
40 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Axiomatisations of functional dependencies in the presence of records, lists, sets and multisets.
Theor. Comput. Sci. 355(2): 167-196 (2006) |
39 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Erratum to "Axiomatisations of functional dependencies in the presence of records, lists, sets and multisets".
Theor. Comput. Sci. 360(1-3): 459 (2006) |
38 | EE | Sven Hartmann,
Sebastian Link:
Deciding implication for functional dependencies in complex-value databases.
Theor. Comput. Sci. 364(2): 212-240 (2006) |
2005 |
37 | | Sven Hartmann,
Markus Stumptner:
Conceptual Modelling 2005, Second Asia-Pacific Conference on Conceptual Modelling (APCCM2005), Newcastle, NSW, Australia, January/February 2005
Australian Computer Society 2005 |
36 | EE | Sven Hartmann,
Sebastian Link:
Functional Dependencies on Nested Attributes: Algebraic, Logical and Topological Perspective.
DEXA Workshops 2005: 818-822 |
35 | EE | Alexei Tretiakov,
Nian-Shing Chen,
Kinshuk,
Sven Hartmann:
Formal Logic as a Learning Facilitation Tool
ICALT 2005: 459-463 |
34 | EE | Alexei Tretiakov,
Sven Hartmann:
Higher-Order Entity Relationship Modelling with UML.
QSIC 2005: 205-214 |
33 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Functional Dependencies over XML Documents with DTDs.
Acta Cybern. 17(1): (2005) |
32 | EE | Sven Hartmann,
Charles H. C. Little:
Even Bonds of Prescribed Directed Parity.
Electr. J. Comb. 12: (2005) |
31 | EE | Sven Hartmann,
Sebastian Link:
The Implication Problem of Functional Dependencies in Complex-value Databases.
Electr. Notes Theor. Comput. Sci. 123: 125-137 (2005) |
30 | EE | Sven Hartmann,
Uwe Leck:
Self-orthogonal decompositions of graphs into matchings.
Electronic Notes in Discrete Mathematics 23: 5-11 (2005) |
2004 |
29 | | Sven Hartmann,
John F. Roddick:
Conceptual Modelling 2004, First Asia-Pacific Conference on Conceptual Modelling (APCCM2004), Dunedin, New Zealand, January 18-22, 2004
Australian Computer Society 2004 |
28 | EE | Sebastian Link,
Sven Hartmann:
Normalisation in the Presence of Lists.
ADC 2004: 49-60 |
27 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Weak Functional Dependencies in Higher-Order Datamodels.
FoIKS 2004: 116-133 |
26 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
Reasoning about Functional and Multi-valued Dependencies in the Presence of Lists.
FoIKS 2004: 134-154 |
25 | EE | Sven Hartmann,
Sebastian Link:
Multi-valued Dependencies in the Presence of Lists.
PODS 2004: 330-341 |
24 | | Sven Hartmann,
Sebastian Link:
Computing the Dependency Basis for Nested List Attributes.
SBBD 2004: 335-349 |
23 | EE | Alexei Tretiakov,
Sven Hartmann:
Mobile Content Adaptation as an Optimisation Problem.
WISE Workshops 2004: 201-210 |
22 | EE | Sven Hartmann,
Ulrike Schumacher:
Orthogonal double covers of general graphs.
Discrete Applied Mathematics 138(1-2): 107-116 (2004) |
21 | EE | Sven Hartmann,
Sebastian Link:
A Membership Algorithm for Functional and Multi-valued Dependencies in the Presence of Lists.
Electr. Notes Theor. Comput. Sci. 91: 171-194 (2004) |
20 | EE | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe,
Bernhard Thalheim:
Error-Robust Functional Dependencies.
Fundam. Inform. 59(4): 365-372 (2004) |
2003 |
19 | EE | Sven Hartmann,
Sebastian Link:
More Functional Dependencies for XML.
ADBIS 2003: 355-369 |
18 | EE | Sven Hartmann:
Reasoning about participation constraints and Chen's constraints.
ADC 2003: 105-113 |
17 | | Sven Hartmann,
Sebastian Link,
Klaus-Dieter Schewe:
A New Normal Form for Conceptual Database.
EJC 2003: 88-105 |
16 | EE | Sven Hartmann,
Sebastian Link:
On Functional Dependencies in Advanced Data Models.
Electr. Notes Theor. Comput. Sci. 84: (2003) |
15 | EE | Sven Hartmann,
Anne Hoffmann,
Sebastian Link,
Klaus-Dieter Schewe:
Axiomatizing functional dependencies in the Higher-Order Entity-Relationship Model.
Inf. Process. Lett. 87(3): 133-137 (2003) |
2002 |
14 | EE | Konrad Engel,
Sven Hartmann:
Minimal Sample Databases for Global Cardinality Constraints.
FoIKS 2002: 268-288 |
13 | | Hans-Dietrich O. F. Gronau,
Martin Grüttmüller,
Sven Hartmann,
Uwe Leck,
Volker Leck:
On Orthogonal Double Covers of Graphs.
Des. Codes Cryptography 27(1-2): 49-91 (2002) |
12 | EE | Sven Hartmann:
Orthogonal Decompositions of Complete Digraphs.
Graphs and Combinatorics 18(2): 285-302 (2002) |
2001 |
11 | EE | Sven Hartmann:
Coping with Inconsistent Constraint Specifications.
ER 2001: 241-255 |
10 | EE | Sven Hartmann:
Soft Constraints and Heuristic Constraint Correction in Entity-Relationship Modelling.
Semantics in Databases 2001: 82-99 |
9 | | Sven Hartmann:
On the implication problem for cardinality constraints and functional dependencies.
Ann. Math. Artif. Intell. 33(2-4): 253-307 (2001) |
8 | EE | Sven Hartmann:
Decomposing relationship types by pivoting and schema equivalence.
Data Knowl. Eng. 39(1): 75-99 (2001) |
7 | EE | Sven Hartmann:
Orthogonal directed covers by flowers.
Electronic Notes in Discrete Mathematics 10: 143-145 (2001) |
2000 |
6 | EE | Sven Hartmann:
Decomposition by Pivoting and Path Cardinality Constraints.
ER 2000: 126-139 |
5 | EE | Sven Hartmann:
On Interactions of Cardinality Constraints, Key, and Functional Dependencies.
FoIKS 2000: 136-155 |
1999 |
4 | EE | Sven Hartmann:
Asymptotic Results on Suborthogonal "B"-decompositions of Complete Digraphs.
Discrete Applied Mathematics 95(1-3): 311-320 (1999) |
1998 |
3 | EE | Sven Hartmann:
On the Consistency of Int-cardinality Constraints.
ER 1998: 150-163 |
1996 |
2 | EE | Sven Hartmann:
Global Cardinality Constraints.
ER Workshop Challenges of Application and Challenges of Design 1996: 196-206 |
1995 |
1 | | Sven Hartmann:
Graph-Theoretical Methods to Construct Entity-Relationship Databases.
WG 1995: 131-145 |