Christoph Koch Papers on DiSC'04 Attribute Grammars for Scalable Query Processing on XML Streams The Lixto Data Extraction Project: Back and Forth between Theory and Practice Conjunctive Queries over Trees Logic-based Web Information Extraction Schema-based Scheduling of Event Processors and Buffer Minimization for Queries on Structured Data Streams Publications Note: Links lead to the DBLP on the Web. Christoph Koch Christoph Koch: On the Complexity of Nonrecursive XQuery and Functional Query Languages on Complex Values. PODS 2005 Georg Gottlob , Christoph Koch, Robert Baumgartner , Marcus Herzog , Sergio Flesca : The Lixto Data Extraction Project - Back and Forth between Theory and Practice. PODS 2004 : 1-12 Georg Gottlob , Christoph Koch, Klaus U. Schulz : Conjunctive Queries over Trees. PODS 2004 : 189-200 Christoph Koch, Stefanie Scherzinger , Nicole Schweikardt , Bernhard Stegmaier : FluXQuery: An Optimizing XQuery Processor for Streaming XML Data. VLDB 2004 : 1309-1312 Christoph Koch, Stefanie Scherzinger , Nicole Schweikardt , Bernhard Stegmaier : Schema-based Scheduling of Event Processors and Buffer Minimization for Queries on Structured Data Streams. VLDB 2004 : 228-239 Christoph Koch: Query rewriting with symmetric constraints. AI Commun. 17 (2): 41-55 (2004) Christoph Koch, Stefanie Scherzinger , Nicole Schweikardt , Bernhard Stegmaier : Schema-based Scheduling of Event Processors and Buffer Minimization for Queries on Structured Data Streams CoRR cs.DB/0406016 : (2004) Georg Gottlob , Christoph Koch: Monadic datalog and the expressive power of languages for Web information extraction. J. ACM 51 (1): 74-113 (2004) Georg Gottlob , Christoph Koch: Logic-based Web Information Extraction. SIGMOD Record 33 (2): 87-94 (2004) Georg Gottlob , Christoph Koch: XPath Query Processing. DBPL 2003 : 20 Christoph Koch, Stefanie Scherzinger : Attribute Grammars for Scalable Query Processing on XML Streams. DBPL 2003 : 233-256 Georg Gottlob , Christoph Koch, Reinhard Pichler : XPath Query Evaluation: Improving Time and Space Efficiency. ICDE 2003 : 379-390 Markus Frick , Martin Grohe , Christoph Koch: Query Evaluation on Compressed Trees (Extended Abstract). LICS 2003 : 188- Georg Gottlob , Christoph Koch, Reinhard Pichler : The complexity of XPath query evaluation. PODS 2003 : 179-190 Peter Buneman , Martin Grohe , Christoph Koch: Path Queries on Compressed XML. VLDB 2003 : 141-152 Christoph Koch: Efficient Processing of Expressive Node-Selecting Queries on XML Data in Secondary Storage: A Tree Automata-based Approach. VLDB 2003 : 249-260 Christoph Koch, Nicola Leone , Gerald Pfeifer : Enhancing disjunctive logic programming systems by SAT checkers. Artif. Intell. 151 (1-2): 177-212 (2003) Georg Gottlob , Christoph Koch: A Formal Comparison of Visual Web Wrapper Generators CoRR cs.DB/0310012 : (2003) Georg Gottlob , Christoph Koch, Reinhard Pichler : XPath Processing in a Nutshell. SIGMOD Record 32 (1): 12-19 (2003) Georg Gottlob , Christoph Koch, Reinhard Pichler : XPath processing in a nutshell. SIGMOD Record 32 (2): 21-27 (2003) Christoph Koch: Query Rewriting with Symmetric Constraints. FoIKS 2002 : 130-147 Nicola Leone , Gerald Pfeifer , Wolfgang Faber , Francesco Calimeri , Tina Dell'Armi , Thomas Eiter , Georg Gottlob , Giovambattista Ianni , Giuseppe Ielpa , Christoph Koch, Simona Perri , Axel Polleres : The DLV System. JELIA 2002 : 537-540 Georg Gottlob , Christoph Koch: Monadic Queries over Tree-Structured Data. LICS 2002 : 189-202 Georg Gottlob , Christoph Koch: Monadic Datalog and the Expressive Power of Languages for Web Information Extraction. PODS 2002 : 17-28 Georg Gottlob , Christoph Koch, Reinhard Pichler : Efficient Algorithms for Processing XPath Queries. VLDB 2002 : 95-106 Christoph Koch: Optimizing Queries Using a Meta-level Database CoRR cs.DB/0205060 : (2002) Georg Gottlob , Christoph Koch: Monadic Datalog and the Expressive Power of Languages for Web Information Extraction CoRR cs.DB/0211020 : (2002) Tina Dell'Armi , Wolfgang Faber , Giuseppe Ielpa , Christoph Koch, Nicola Leone , Simona Perri , Gerald Pfeifer : System Description: DLV. LPNMR 2001 : 424-428 Christoph Koch, Zsolt Kovacs , Jean-Marie Le Goff , Richard McClatchey , Paolo Petta , Tony Solomonides : Explicit Modeling of the Semantics of Large Multi-layered Object-Oriented Databases. ER 2000 : 52-65 Christoph Koch, Paolo Petta : Coordination Issues in Multi-agent Event Data Processing. ESAW 2000 : 64-77 Thomas Eiter , Wolfgang Faber , Christoph Koch, Nicola Leone , Gerald Pfeifer : DLV - A System for Declarative Problem Solving CoRR cs.AI/0003036 : (2000) Christoph Koch, Nicola Leone : Stable Model Checking Made Easy. IJCAI 1999 : 70-75 Simona Citrigno , Thomas Eiter , Wolfgang Faber , Georg Gottlob , Christoph Koch, Nicola Leone , Cristinel Mateis , Gerald Pfeifer , Francesco Scarcello : The dlv System: Model Generator and Advanced Frontends (system description). WLP 1997 : 0- 1 [ 32 ] 2 [ 19 ] 3 [ 12 ] 4 [ 1 ] 5 [ 6 ] [ 12 ] 6 [ 1 ] [ 3 ] [ 12 ] 7 [ 1 ] [ 3 ] [ 6 ] [ 12 ] 8 [ 32 ] 9 [ 21 ] 10 [ 5 ] 11 [ 1 ] [ 7 ] [ 9 ] [ 10 ] [ 11 ] [ 12 ] [ 14 ] [ 15 ] [ 16 ] [ 20 ] [ 22 ] [ 24 ] [ 25 ] [ 26 ] [ 31 ] [ 32 ] 12 [ 19 ] [ 21 ] 13 [ 32 ] 14 [ 12 ] 15 [ 6 ] [ 12 ] 16 [ 5 ] 17 [ 1 ] [ 2 ] [ 3 ] [ 6 ] [ 12 ] [ 17 ] 18 [ 1 ] 19 [ 5 ] 20 [ 6 ] [ 12 ] 21 [ 4 ] [ 5 ] 22 [ 1 ] [ 3 ] [ 6 ] [ 12 ] [ 17 ] 23 [ 9 ] [ 14 ] [ 15 ] [ 20 ] [ 22 ] 24 [ 12 ] 25 [ 1 ] 26 [ 23 ] [ 27 ] [ 29 ] [ 30 ] 27 [ 31 ] 28 [ 27 ] [ 29 ] [ 30 ] 29 [ 5 ] 30 [ 27 ] [ 29 ] [ 30 ] ©2005 Association for Computing Machinery