12 Search Results for "Boncz, Peter A."

Document
DOI: 10.4230/LIPIcs.ECOOP.2025.30
In-Memory Object Graph Stores

Authors: Aditya Thimmaiah, Zijian Yi, Joseph Kenis, Christopher J Rossbach, and Milos Gligoric

Published in: LIPIcs, Volume 333, 39th European Conference on Object-Oriented Programming (ECOOP 2025)

Abstract
We present a design and implementation of an in-memory object graph store, dubbed εStore. Our key innovation is a storage model - epsilon store - that equates an object on the heap to a node in a graph store. Thus any object on the heap (without changes) can be a part of one, or multiple, graph stores, and vice versa, any node in a graph store can be accessed like any other object on the heap. Specifically, each node in a graph is an object (i.e., instance of a class), and its properties and its edges are the primitive and reference fields declared in its class, respectively. Necessary classes, which are instantiated to represent nodes, are created dynamically by εStore. εStore uses a subset of the Cypher query language to query the graph store. By design, the result of any query is a table (ResultSet) of references to objects on the heap, which users can manipulate the same way as any other object on the heap in their programs. Moreover, a developer can include (transitively) an arbitrary object to become a part of a graph store. Finally, εStore introduces compile-time rewriting of Cypher queries into imperative code to improve the runtime performance. εStore can be used for a number of tasks including implementing methods for complex in-memory structures, writing complex assertions, or a stripped down version of a graph database that can conveniently be used during testing. We implement εStore in Java and show its application using the aforementioned tasks.
Cite as

Aditya Thimmaiah, Zijian Yi, Joseph Kenis, Christopher J Rossbach, and Milos Gligoric. In-Memory Object Graph Stores. In 39th European Conference on Object-Oriented Programming (ECOOP 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 333, pp. 30:1-30:30, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{thimmaiah_et_al:LIPIcs.ECOOP.2025.30,
  author =	{Thimmaiah, Aditya and Yi, Zijian and Kenis, Joseph and Rossbach, Christopher J and Gligoric, Milos},
  title =	{{In-Memory Object Graph Stores}},
  booktitle =	{39th European Conference on Object-Oriented Programming (ECOOP 2025)},
  pages =	{30:1--30:30},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-373-7},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{333},
  editor =	{Aldrich, Jonathan and Silva, Alexandra},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2025.30},
  URN =		{urn:nbn:de:0030-drops-233225},
  doi =		{10.4230/LIPIcs.ECOOP.2025.30},
  annote =	{Keywords: Object stores, Graph stores, Cypher}
}
Document
DOI: 10.4230/LIPIcs.ICDT.2025.17
Partition Constraints for Conjunctive Queries: Bounds and Worst-Case Optimal Joins

Authors: Kyle Deeds and Timo Camillo Merkl

Published in: LIPIcs, Volume 328, 28th International Conference on Database Theory (ICDT 2025)

Abstract
In the last decade, various works have used statistics on relations to improve both the theory and practice of conjunctive query execution. Starting with the AGM bound which took advantage of relation sizes, later works incorporated statistics like functional dependencies and degree constraints. Each new statistic prompted work along two lines; bounding the size of conjunctive query outputs and worst-case optimal join algorithms. In this work, we continue in this vein by introducing a new statistic called a partition constraint. This statistic captures latent structure within relations by partitioning them into sub-relations which each have much tighter degree constraints. We show that this approach can both refine existing cardinality bounds and improve existing worst-case optimal join algorithms.
Cite as

Kyle Deeds and Timo Camillo Merkl. Partition Constraints for Conjunctive Queries: Bounds and Worst-Case Optimal Joins. In 28th International Conference on Database Theory (ICDT 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 328, pp. 17:1-17:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{deeds_et_al:LIPIcs.ICDT.2025.17,
  author =	{Deeds, Kyle and Merkl, Timo Camillo},
  title =	{{Partition Constraints for Conjunctive Queries: Bounds and Worst-Case Optimal Joins}},
  booktitle =	{28th International Conference on Database Theory (ICDT 2025)},
  pages =	{17:1--17:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-364-5},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{328},
  editor =	{Roy, Sudeepa and Kara, Ahmet},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICDT.2025.17},
  URN =		{urn:nbn:de:0030-drops-229588},
  doi =		{10.4230/LIPIcs.ICDT.2025.17},
  annote =	{Keywords: Worst-Case Optimal Joins, Cardinality Bounds, Degeneracy, Degree Constraints, Partition Constraints}
}
Document
DOI: 10.4230/LIPIcs.ICDT.2025.9
Query Languages for Neural Networks

Authors: Martin Grohe, Christoph Standke, Juno Steegmans, and Jan Van den Bussche

Published in: LIPIcs, Volume 328, 28th International Conference on Database Theory (ICDT 2025)

Abstract
We lay the foundations for a database-inspired approach to interpreting and understanding neural network models by querying them using declarative languages. Towards this end we study different query languages, based on first-order logic, that mainly differ in their access to the neural network model. First-order logic over the reals naturally yields a language which views the network as a black box; only the input-output function defined by the network can be queried. This is essentially the approach of constraint query languages. On the other hand, a white-box language can be obtained by viewing the network as a weighted graph, and extending first-order logic with summation over weight terms. The latter approach is essentially an abstraction of SQL . In general, the two approaches are incomparable in expressive power, as we will show. Under natural circumstances, however, the white-box approach can subsume the black-box approach; this is our main result. We prove the result concretely for linear constraint queries over real functions definable by feedforward neural networks with a fixed number of hidden layers and piecewise linear activation functions.
Cite as

Martin Grohe, Christoph Standke, Juno Steegmans, and Jan Van den Bussche. Query Languages for Neural Networks. In 28th International Conference on Database Theory (ICDT 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 328, pp. 9:1-9:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{grohe_et_al:LIPIcs.ICDT.2025.9,
  author =	{Grohe, Martin and Standke, Christoph and Steegmans, Juno and Van den Bussche, Jan},
  title =	{{Query Languages for Neural Networks}},
  booktitle =	{28th International Conference on Database Theory (ICDT 2025)},
  pages =	{9:1--9:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-364-5},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{328},
  editor =	{Roy, Sudeepa and Kara, Ahmet},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICDT.2025.9},
  URN =		{urn:nbn:de:0030-drops-229508},
  doi =		{10.4230/LIPIcs.ICDT.2025.9},
  annote =	{Keywords: Expressive power of query languages, Machine learning models, languages for interpretability, explainable AI}
}
Document
Position
DOI: 10.4230/TGDK.2.1.2
Grounding Stream Reasoning Research

Authors: Pieter Bonte, Jean-Paul Calbimonte, Daniel de Leng, Daniele Dell'Aglio, Emanuele Della Valle, Thomas Eiter, Federico Giannini, Fredrik Heintz, Konstantin Schekotihin, Danh Le-Phuoc, Alessandra Mileo, Patrik Schneider, Riccardo Tommasini, Jacopo Urbani, and Giacomo Ziffer

Published in: TGDK, Volume 2, Issue 1 (2024): Special Issue on Trends in Graph Data and Knowledge - Part 2. Transactions on Graph Data and Knowledge, Volume 2, Issue 1

Abstract
In the last decade, there has been a growing interest in applying AI technologies to implement complex data analytics over data streams. To this end, researchers in various fields have been organising a yearly event called the "Stream Reasoning Workshop" to share perspectives, challenges, and experiences around this topic. In this paper, the previous organisers of the workshops and other community members provide a summary of the main research results that have been discussed during the first six editions of the event. These results can be categorised into four main research areas: The first is concerned with the technological challenges related to handling large data streams. The second area aims at adapting and extending existing semantic technologies to data streams. The third and fourth areas focus on how to implement reasoning techniques, either considering deductive or inductive techniques, to extract new and valuable knowledge from the data in the stream. This summary is written not only to provide a crystallisation of the field, but also to point out distinctive traits of the stream reasoning community. Moreover, it also provides a foundation for future research by enumerating a list of use cases and open challenges, to stimulate others to join this exciting research area.
Cite as

Pieter Bonte, Jean-Paul Calbimonte, Daniel de Leng, Daniele Dell'Aglio, Emanuele Della Valle, Thomas Eiter, Federico Giannini, Fredrik Heintz, Konstantin Schekotihin, Danh Le-Phuoc, Alessandra Mileo, Patrik Schneider, Riccardo Tommasini, Jacopo Urbani, and Giacomo Ziffer. Grounding Stream Reasoning Research. In Special Issue on Trends in Graph Data and Knowledge - Part 2. Transactions on Graph Data and Knowledge (TGDK), Volume 2, Issue 1, pp. 2:1-2:47, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{bonte_et_al:TGDK.2.1.2,
  author =	{Bonte, Pieter and Calbimonte, Jean-Paul and de Leng, Daniel and Dell'Aglio, Daniele and Della Valle, Emanuele and Eiter, Thomas and Giannini, Federico and Heintz, Fredrik and Schekotihin, Konstantin and Le-Phuoc, Danh and Mileo, Alessandra and Schneider, Patrik and Tommasini, Riccardo and Urbani, Jacopo and Ziffer, Giacomo},
  title =	{{Grounding Stream Reasoning Research}},
  journal =	{Transactions on Graph Data and Knowledge},
  pages =	{2:1--2:47},
  ISSN =	{2942-7517},
  year =	{2024},
  volume =	{2},
  number =	{1},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/TGDK.2.1.2},
  URN =		{urn:nbn:de:0030-drops-198597},
  doi =		{10.4230/TGDK.2.1.2},
  annote =	{Keywords: Stream Reasoning, Stream Processing, RDF streams, Streaming Linked Data, Continuous query processing, Temporal Logics, High-performance computing, Databases}
}
Document
Survey
DOI: 10.4230/TGDK.2.1.3
Semantic Web: Past, Present, and Future

Authors: Ansgar Scherp, Gerd Groener, Petr Škoda, Katja Hose, and Maria-Esther Vidal

Published in: TGDK, Volume 2, Issue 1 (2024): Special Issue on Trends in Graph Data and Knowledge - Part 2. Transactions on Graph Data and Knowledge, Volume 2, Issue 1

Abstract
Ever since the vision was formulated, the Semantic Web has inspired many generations of innovations. Semantic technologies have been used to share vast amounts of information on the Web, enhance them with semantics to give them meaning, and enable inference and reasoning on them. Throughout the years, semantic technologies, and in particular knowledge graphs, have been used in search engines, data integration, enterprise settings, and machine learning. In this paper, we recap the classical concepts and foundations of the Semantic Web as well as modern and recent concepts and applications, building upon these foundations. The classical topics we cover include knowledge representation, creating and validating knowledge on the Web, reasoning and linking, and distributed querying. We enhance this classical view of the so-called "Semantic Web Layer Cake" with an update of recent concepts that include provenance, security and trust, as well as a discussion of practical impacts from industry-led contributions. We conclude with an outlook on the future directions of the Semantic Web. This is a living document. If you like to contribute, please contact the first author and visit: https://github.com/ascherp/semantic-web-primer
Cite as

Ansgar Scherp, Gerd Groener, Petr Škoda, Katja Hose, and Maria-Esther Vidal. Semantic Web: Past, Present, and Future. In Special Issue on Trends in Graph Data and Knowledge - Part 2. Transactions on Graph Data and Knowledge (TGDK), Volume 2, Issue 1, pp. 3:1-3:37, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{scherp_et_al:TGDK.2.1.3,
  author =	{Scherp, Ansgar and Groener, Gerd and \v{S}koda, Petr and Hose, Katja and Vidal, Maria-Esther},
  title =	{{Semantic Web: Past, Present, and Future}},
  journal =	{Transactions on Graph Data and Knowledge},
  pages =	{3:1--3:37},
  ISSN =	{2942-7517},
  year =	{2024},
  volume =	{2},
  number =	{1},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/TGDK.2.1.3},
  URN =		{urn:nbn:de:0030-drops-198607},
  doi =		{10.4230/TGDK.2.1.3},
  annote =	{Keywords: Linked Open Data, Semantic Web Graphs, Knowledge Graphs}
}
Document
DOI: 10.4230/DagRep.8.6.63
Database Architectures for Modern Hardware (Dagstuhl Seminar 18251)

Authors: Peter A. Boncz, Goetz Graefe, Binsheng He, and Kai-Uwe Sattler

Published in: Dagstuhl Reports, Volume 8, Issue 6 (2019)

Abstract
The requirements of emerging applications on the one hand and the trends in computing hardware and systems on the other hand demand a fundamental rethinking of current data management architectures. Based on the broad consensus that this rethinking requires expertise from different research disciplines, the goal of this seminar was to bring together researchers and practitioners from these areas representing both the software and hardware sides and to foster cross-cutting architectural discussions. The outcome of this seminar was not only an identification of promising hardware technologies and their exploitation in data management systems but also a set of use cases, studies, and experiments for new architectural concepts.
Cite as

Peter A. Boncz, Goetz Graefe, Binsheng He, and Kai-Uwe Sattler. Database Architectures for Modern Hardware (Dagstuhl Seminar 18251). In Dagstuhl Reports, Volume 8, Issue 6, pp. 63-76, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)

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@Article{boncz_et_al:DagRep.8.6.63,
  author =	{Boncz, Peter A. and Graefe, Goetz and He, Binsheng and Sattler, Kai-Uwe},
  title =	{{Database Architectures for Modern Hardware (Dagstuhl Seminar 18251)}},
  pages =	{63--76},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2019},
  volume =	{8},
  number =	{6},
  editor =	{Boncz, Peter A. and Graefe, Goetz and He, Binsheng and Sattler, Kai-Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.8.6.63},
  URN =		{urn:nbn:de:0030-drops-100561},
  doi =		{10.4230/DagRep.8.6.63},
  annote =	{Keywords: co-processors, computer architecture, database systems, hardware support for databases, non-volatile memory}
}
Document
DOI: 10.4230/DagSemProc.06472.1
06472 Abstracts Collection – XQuery Implementation Paradigms

Authors: Peter A. Boncz, Torsten Grust, Jérôme Siméon, and Maurice van Keulen

Published in: Dagstuhl Seminar Proceedings, Volume 6472, XQuery Implementation Paradigms (2007)

Abstract
From 19.11.2006 to 22.11.2006, the Dagstuhl Seminar 06472 ``XQuery Implementation Paradigms'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
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Peter A. Boncz, Torsten Grust, Jérôme Siméon, and Maurice van Keulen. 06472 Abstracts Collection – XQuery Implementation Paradigms. In XQuery Implementation Paradigms. Dagstuhl Seminar Proceedings, Volume 6472, pp. 1-22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{boncz_et_al:DagSemProc.06472.1,
  author =	{Boncz, Peter A. and Grust, Torsten and Sim\'{e}on, J\'{e}r\^{o}me and van Keulen, Maurice},
  title =	{{06472 Abstracts Collection – XQuery Implementation Paradigms}},
  booktitle =	{XQuery Implementation Paradigms},
  pages =	{1--22},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6472},
  editor =	{Peter A. Boncz and Torsten Grust and J\'{e}r\^{o}me Sim\'{e}on and Maurice van Keulen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06472.1},
  URN =		{urn:nbn:de:0030-drops-8933},
  doi =		{10.4230/DagSemProc.06472.1},
  annote =	{Keywords: XQuery, XPath, XML, XQuery Benchmarking, XQuery Optimization, XQuery Interoperability, XQuery Hard Nut, Compilation, Benchmarking, XMark, Recursion, Database System, Functional Programming Language, Transaction Management, Distributed Query Processing}
}
Document
DOI: 10.4230/DagSemProc.06472.2
06472 Executive Summary – XQuery Implementation Paradigms

Authors: Peter A. Boncz, Torsten Grust, Jérôme Siméon, and Maurice van Keulen

Published in: Dagstuhl Seminar Proceedings, Volume 6472, XQuery Implementation Paradigms (2007)

Abstract
Only a couple of weeks after the participants of seminar No. 06472 met in Dagstuhl, the W3C published the Final Recommendation documents that fix the XQuery 1.0 syntax, data model, formal semantics, built-in function library and the interaction with the XML Schema Recommendations (see W3C's XQuery web site at http://www.w3.org/XML/Query/). With the language's standardization nearing its end and now finally in place, the many efforts to construct correct, complete, and efficient implementations of XQuery finally got rid of the hindering "moving target'' syndrome. This Dagstuhl seminar on the different XQuery implementation paradigms that have emerged in the recent past, thus was as timely as it could have possibly been.
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Peter A. Boncz, Torsten Grust, Jérôme Siméon, and Maurice van Keulen. 06472 Executive Summary – XQuery Implementation Paradigms. In XQuery Implementation Paradigms. Dagstuhl Seminar Proceedings, Volume 6472, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{boncz_et_al:DagSemProc.06472.2,
  author =	{Boncz, Peter A. and Grust, Torsten and Sim\'{e}on, J\'{e}r\^{o}me and van Keulen, Maurice},
  title =	{{06472 Executive Summary – XQuery Implementation Paradigms}},
  booktitle =	{XQuery Implementation Paradigms},
  pages =	{1--6},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6472},
  editor =	{Peter A. Boncz and Torsten Grust and J\'{e}r\^{o}me Sim\'{e}on and Maurice van Keulen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06472.2},
  URN =		{urn:nbn:de:0030-drops-10220},
  doi =		{10.4230/DagSemProc.06472.2},
  annote =	{Keywords: XQuery, XML, Database, Compiler, Functional Programming, Transactions}
}
Document
DOI: 10.4230/DagSemProc.06472.3
XPathMark: Functional and Performance Tests for XPath

Authors: Massimo Franceschet

Published in: Dagstuhl Seminar Proceedings, Volume 6472, XQuery Implementation Paradigms (2007)

Abstract
We present a major revision of the XPath benchmark known as XPathMark. The new version splits into a functional test over a small educational document and a more elaborated performance test over XMark documents. We conclude by sharing with the reader our experience on running XPathMark on some popular XSLT/XQuery processors.
Cite as

Massimo Franceschet. XPathMark: Functional and Performance Tests for XPath. In XQuery Implementation Paradigms. Dagstuhl Seminar Proceedings, Volume 6472, pp. 1-17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{franceschet:DagSemProc.06472.3,
  author =	{Franceschet, Massimo},
  title =	{{XPathMark: Functional and Performance Tests for XPath}},
  booktitle =	{XQuery Implementation Paradigms},
  pages =	{1--17},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6472},
  editor =	{Peter A. Boncz and Torsten Grust and J\'{e}r\^{o}me Sim\'{e}on and Maurice van Keulen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06472.3},
  URN =		{urn:nbn:de:0030-drops-8929},
  doi =		{10.4230/DagSemProc.06472.3},
  annote =	{Keywords: XML, XPath, Benchmarking}
}
Document
DOI: 10.4230/DagSemProc.06431.3
06431 Working Group Report on Managing and Integrating Data in P2P Databases

Authors: Peter A. Boncz, Angela Bonifati, Arantza Illarramendi, Peter Janacik, Birgitta König-Ries, Wolfgang Lehner, Pedro Jose Marrón, Wolfgang May, Aris Ouksel, Kay Römer, Brahmananda Sapkota, Kai-Uwe Sattler, Heinz Schweppe, Rita Steinmetz, and Can Türker

Published in: Dagstuhl Seminar Proceedings, Volume 6431, Scalable Data Management in Evolving Networks (2007)

Abstract
In this report, to our best recollection, we provide a summary of the working group "Managing and Integrating Data in P2P Databases" of the Dagstuhl Seminar nr. 6431 on "Scalable Data Management in Evolving Neworks", held on October 23-27 in Dagstuhl (Germany).
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Peter A. Boncz, Angela Bonifati, Arantza Illarramendi, Peter Janacik, Birgitta König-Ries, Wolfgang Lehner, Pedro Jose Marrón, Wolfgang May, Aris Ouksel, Kay Römer, Brahmananda Sapkota, Kai-Uwe Sattler, Heinz Schweppe, Rita Steinmetz, and Can Türker. 06431 Working Group Report on Managing and Integrating Data in P2P Databases. In Scalable Data Management in Evolving Networks. Dagstuhl Seminar Proceedings, Volume 6431, pp. 1-3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{boncz_et_al:DagSemProc.06431.3,
  author =	{Boncz, Peter A. and Bonifati, Angela and Illarramendi, Arantza and Janacik, Peter and K\"{o}nig-Ries, Birgitta and Lehner, Wolfgang and Marr\'{o}n, Pedro Jose and May, Wolfgang and Ouksel, Aris and R\"{o}mer, Kay and Sapkota, Brahmananda and Sattler, Kai-Uwe and Schweppe, Heinz and Steinmetz, Rita and T\"{u}rker, Can},
  title =	{{06431 Working Group Report on Managing and Integrating Data in P2P Databases}},
  booktitle =	{Scalable Data Management in Evolving Networks},
  pages =	{1--3},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6431},
  editor =	{Stefan B\"{o}ttcher and Le Gruenwald and Pedro Jose Marr\'{o}n and Evaggelia Pitoura},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06431.3},
  URN =		{urn:nbn:de:0030-drops-9505},
  doi =		{10.4230/DagSemProc.06431.3},
  annote =	{Keywords: P2P database, data integration}
}
Document
DOI: 10.4230/DagSemProc.06431.5
06431 Working Group Summary: P2P, Ad Hoc and Sensor Networks – All the Different or All the Same?

Authors: Peter A. Boncz, Angela Bonifati, Joos-Hendrik Böse, Stefan Böttcher, Panos Kypros Chrysanthis, Le Gruenwald, Arantza Illarramendi, Peter Janacik, Birgitta König-Ries, Wolfgang May, Anirban Mondal, Sebastian Obermeier, Aris Ouksel, and George Samaras

Published in: Dagstuhl Seminar Proceedings, Volume 6431, Scalable Data Management in Evolving Networks (2007)

Abstract
Currently, data management technologies are in the process of finding their way into evolving networks, i.e. P2P, ad hoc and wireless sensor networks. We examine the properties, differences and commonalities of the different types of evolving networks, in order to enable the development of adequate technologies suiting their characteristics. We start with presenting definitions for the different network types, before arranging them in a network hierarchy, to gain a clear view of the area. Then, we analyze and compare the example applications for each of the types using different design dimensions. Based on this work, we finally present a comparison of P2P, ad hoc and wireless sensor networks.
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Peter A. Boncz, Angela Bonifati, Joos-Hendrik Böse, Stefan Böttcher, Panos Kypros Chrysanthis, Le Gruenwald, Arantza Illarramendi, Peter Janacik, Birgitta König-Ries, Wolfgang May, Anirban Mondal, Sebastian Obermeier, Aris Ouksel, and George Samaras. 06431 Working Group Summary: P2P, Ad Hoc and Sensor Networks – All the Different or All the Same?. In Scalable Data Management in Evolving Networks. Dagstuhl Seminar Proceedings, Volume 6431, pp. 1-7, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{boncz_et_al:DagSemProc.06431.5,
  author =	{Boncz, Peter A. and Bonifati, Angela and B\"{o}se, Joos-Hendrik and B\"{o}ttcher, Stefan and Chrysanthis, Panos Kypros and Gruenwald, Le and Illarramendi, Arantza and Janacik, Peter and K\"{o}nig-Ries, Birgitta and May, Wolfgang and Mondal, Anirban and Obermeier, Sebastian and Ouksel, Aris and Samaras, George},
  title =	{{06431 Working Group Summary: P2P, Ad Hoc and Sensor Networks – All the Different or All the Same?}},
  booktitle =	{Scalable Data Management in Evolving Networks},
  pages =	{1--7},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6431},
  editor =	{Stefan B\"{o}ttcher and Le Gruenwald and Pedro Jose Marr\'{o}n and Evaggelia Pitoura},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06431.5},
  URN =		{urn:nbn:de:0030-drops-9514},
  doi =		{10.4230/DagSemProc.06431.5},
  annote =	{Keywords: P2P, ad hoc, wireless sensor networks, database systems}
}
Document
DOI: 10.4230/DagSemProc.06431.6
P2P XQuery and the StreetTiVo application

Authors: Peter A. Boncz and Yi Zhang

Published in: Dagstuhl Seminar Proceedings, Volume 6431, Scalable Data Management in Evolving Networks (2007)

Abstract
MonetDB/XQuery* is a fully functional publicly available XML DBMS that has been extended with distributed and P2P data management functionality. Our (minimal) XQuery language extension XRPC adds the concept of RPC to XQuery, and we outlined our approach to include the services offered by diverse P2P network structures (such as DHTs), in a way that avoids any further intrusion in the XQuery language and semantics. We also discussed the StreetTiVo application were mxq is being used for data management in a large P2P environment. new construct called XRPC.
Cite as

Peter A. Boncz and Yi Zhang. P2P XQuery and the StreetTiVo application. In Scalable Data Management in Evolving Networks. Dagstuhl Seminar Proceedings, Volume 6431, p. 1, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{boncz_et_al:DagSemProc.06431.6,
  author =	{Boncz, Peter A. and Zhang, Yi},
  title =	{{P2P XQuery and the StreetTiVo application}},
  booktitle =	{Scalable Data Management in Evolving Networks},
  pages =	{1--1},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{6431},
  editor =	{Stefan B\"{o}ttcher and Le Gruenwald and Pedro Jose Marr\'{o}n and Evaggelia Pitoura},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06431.6},
  URN =		{urn:nbn:de:0030-drops-9499},
  doi =		{10.4230/DagSemProc.06431.6},
  annote =	{Keywords: Distributed XQuery, P2P, DHT}
}
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