May, Wolfgang

[["dc.bibliographiccitation.firstpage","101"],["dc.bibliographiccitation.lastpage","115"],["dc.bibliographiccitation.seriesnr","3703"],["dc.contributor.author","Alferes, J. J."],["dc.contributor.author","Amador, R."],["dc.contributor.author","May, W."],["dc.date.accessioned","2018-11-07T08:46:52Z"],["dc.date.available","2018-11-07T08:46:52Z"],["dc.date.issued","2005"],["dc.description.abstract","In this paper we define the basic concepts for a general language for evolution and reactivity in the Semantic Web. We do this by exposing an UML model that specifies an ontology for the language. The proposed language is based on Event-Condition-Action rules, where different languages for events (including languages for composite events), for conditions (queries) and actions (including complex actions) may be composed, this way catering for language heterogeneity (besides heterogeneity on the data-model) that we think is essential for dealing with evolution and reactivity in the Semantic Web."],["dc.identifier.isi","000233393200010"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20802"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","3rd International Workshop on Principles and Practice of Semantic Web Reasoning"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.eventend","2005-09-16"],["dc.relation.eventlocation","Dagstuhl Castle, Germany"],["dc.relation.eventstart","2005-09-11"],["dc.relation.isbn","3-540-28793-0"],["dc.relation.ispartof","Principles and practice of semantic web reasoning: third international workshop, PPSWR 2005"],["dc.relation.ispartofseries","Lecture Notes in Computer Science; 3703"],["dc.title","A general language for evolution and reactivity in the Semantic Web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","134"],["dc.bibliographiccitation.lastpage","148"],["dc.bibliographiccitation.seriesnr","4187"],["dc.contributor.author","May, Wolfgang"],["dc.contributor.author","Schenk, Franz"],["dc.contributor.author","von Lienen, Elke"],["dc.date.accessioned","2018-11-07T10:41:36Z"],["dc.date.available","2018-11-07T10:41:36Z"],["dc.date.issued","2006"],["dc.description.abstract","We describe an extension of an OWL knowledge base using PostgreSQL, Jena, and Pellet with active rules in form of triggers. The triggers react on atomic events on the OWL level. In contrast to \"simple\" RDF triggers whose trigering events can directly be mapped on updates on RDF triples, the extension to RDFS and OWL requires to combine reactivity with OWL reasoning. For this, \"direct\", pre-reasoning triggers that react on update operations (often also providing support for the intended operation), and \"indirect\", post-reasoning triggers that react on actual changes have to be distinguished. The approach has been implemented in a prototype based on the Jena framework."],["dc.identifier.isi","000241555100010"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/46579"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","4th International Workshop on Principles and Practice of Semantic Web Reasoning"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.eventend","2006-06-11"],["dc.relation.eventlocation","Budva, Montenegro"],["dc.relation.eventstart","2006-06-10"],["dc.relation.isbn","3-540-39586-5"],["dc.relation.ispartof","Principles and practice of Semantic Web reasoning: 4th international workshop, PPSWR 2006"],["dc.relation.ispartofseries","Lecture notes in computer science; 4187"],["dc.title","Extending an OWL Web node with reactive behavior"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","237"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Fundamenta Informaticae"],["dc.bibliographiccitation.lastpage","263"],["dc.bibliographiccitation.volume","82"],["dc.contributor.author","Behrends, Erik"],["dc.contributor.author","Fritzen, Oliver"],["dc.contributor.author","May, Wolfgang"],["dc.contributor.author","Schenk, Franz"],["dc.date.accessioned","2018-11-07T11:19:57Z"],["dc.date.available","2018-11-07T11:19:57Z"],["dc.date.issued","2008"],["dc.description.abstract","We describe how Event-Condition-Action (ECA) rules can be combined with event algebras like SNOOP for specification of the event part, and process algebras like CCS for specification of the action part to obtain a powerful, declarative formalism that also covers intuitively procedural tasks in an appropriate way. Since these formalisms have a concise formal semantics, verification and other kinds of reasoning about such specifications are possible. Using a rule markup with cleanly distinguished rule components allows for such a compositional approach. The approach is currently under implementation in the MARS (Modular Active Rules for the Semantic Web) Framework."],["dc.identifier.isi","000253199400003"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/55415"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Ios Press"],["dc.publisher.place","Amsterdam"],["dc.relation.conference","2nd International Conference on Rules and Rule Markup Languages for the Semantic Web"],["dc.relation.eventlocation","Athens, GA"],["dc.relation.issn","0169-2968"],["dc.title","Embedding event algebras and process algebras in a framework for ECA rules for the semantic web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","219"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Semantic Web"],["dc.bibliographiccitation.lastpage","239"],["dc.bibliographiccitation.volume","12"],["dc.contributor.author","Pannach, Franziska"],["dc.contributor.author","Sporleder, Caroline"],["dc.contributor.author","May, Wolfgang"],["dc.contributor.author","Krishnan, Aravind"],["dc.contributor.author","Sewchurran, Anusharani"],["dc.contributor.editor","Bikakis, Antonis"],["dc.contributor.editor","Markhoff, Beatrice"],["dc.contributor.editor","Mosca, Alessandro"],["dc.contributor.editor","Jean, Stephane"],["dc.contributor.editor","Hyvönen, Eero"],["dc.contributor.editor","Bikakis, Antonis"],["dc.contributor.editor","Hyvonen, Eero"],["dc.contributor.editor","Jean, Stéphane"],["dc.contributor.editor","Markhoff, Beatrice"],["dc.contributor.editor","Mosca, Alessandro"],["dc.date.accessioned","2021-04-14T08:29:52Z"],["dc.date.available","2021-04-14T08:29:52Z"],["dc.date.issued","2021"],["dc.identifier.doi","10.3233/SW-200417"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/83014"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","2210-4968"],["dc.relation.issn","1570-0844"],["dc.title","Of lions and Yakshis"],["dc.title.alternative","Ontology-based narrative structure modelling for culturally diverse folktales"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","134"],["dc.bibliographiccitation.lastpage","172"],["dc.bibliographiccitation.seriesnr","3564"],["dc.contributor.author","Alferes, J. R."],["dc.contributor.author","May, W."],["dc.date.accessioned","2018-11-07T08:47:32Z"],["dc.date.available","2018-11-07T08:47:32Z"],["dc.date.issued","2005"],["dc.description.abstract","The Web and the Semantic Web, as we see it, can be understood as a \"living organism\" combining autonomously evolving data sources, each of them possibly reacting to events it perceives. Rather than a Web of data sources, we envisage a Web of Information Systems, where each such system, besides being capable of gathering information (querying persistent data, as well as \"listening\" to volatile data such as occurring events), is capable of updating persistent data, communicating the changes, requesting changes of persistent data in other systems, and being able to react to requests from other systems. The dynamic character of such a Web requires declarative languages and mechanisms for specifying the evolution of the data. In this course we will talk about foundations of evolution and reactive languages in general, and will then concentrate on some specific issues posed by evolution and reactivity in the Web and in the Semantic Web."],["dc.identifier.isi","000231387400004"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20980"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","1st International Summer School on Reasoning Web"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.eventend","2005-07-29"],["dc.relation.eventlocation","Msida, Malta"],["dc.relation.eventstart","2005-07-25"],["dc.relation.isbn","3-540-27828-1"],["dc.relation.ispartof","Reasoning web"],["dc.relation.ispartofseries","Lecture Notes in Computer Science; 3564"],["dc.title","Evolution and reactivity for the Web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","19"],["dc.bibliographiccitation.lastpage","33"],["dc.bibliographiccitation.seriesnr","3208"],["dc.contributor.author","May, W."],["dc.contributor.author","Alferes, J. J."],["dc.contributor.author","Bry, F."],["dc.contributor.editor","Ohlbach, Hans Jürgen"],["dc.contributor.editor","Schaffert, Sebastian"],["dc.date.accessioned","2018-11-07T10:53:10Z"],["dc.date.available","2018-11-07T10:53:10Z"],["dc.date.issued","2004"],["dc.description.abstract","We outline aspects of querying and updating resources on the Web and on the Semantic Web, including the development of query and update languages in course of the REWERSE project. When considering updates and communication of updates between autonomous sources, reactive behavior plays an important role such that an event language is required. This article provides a systematic outline of the intended research steps towards handling reactivity and evolution on the Web."],["dc.identifier.isi","000224023900002"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/49291"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","2nd International Workshop on Principles and Practice of Semantic Web Reasoning"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.eventend","2004-09-10"],["dc.relation.eventlocation","St Malo, FRANCE"],["dc.relation.eventstart","2004-09-06"],["dc.relation.isbn","3-540-22961-2"],["dc.relation.ispartof","Principles and practice of semantic web reasoning"],["dc.relation.ispartofseries","Lecture notes in computer science; 3208"],["dc.relation.issn","0302-9743"],["dc.title","Towards generic query, update, and event languages for the semantic web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1553"],["dc.bibliographiccitation.lastpage","1570"],["dc.bibliographiccitation.seriesnr","3761"],["dc.contributor.author","May, W."],["dc.contributor.author","Alferes, J. J."],["dc.contributor.author","Amador, R."],["dc.contributor.editor","Meersman, Robert"],["dc.contributor.editor","Tari, Zahir"],["dc.date.accessioned","2018-11-07T08:44:56Z"],["dc.date.available","2018-11-07T08:44:56Z"],["dc.date.issued","2005"],["dc.description.abstract","The Web of today can be seen as an active and heterogeneous infrastructure of autonomous systems, where reactivity, evolution and propagation of information and changes play a central role. In the same way as the main driving force for XML and the Semantic Web idea was the heterogeneity of the underlying data, the heterogeneity of concepts for expressing behavior calls for an appropriate handling on the semantic level. We present an ontology-based approach for specifying behavior in the Semantic Web by Event-Condition-Action (ECA) rules that models rules as well as their event, condition, and action components, and languages as resources. The necessary information about semantics and suitable processors is then associated with the language resources. The approach makes use of the data integration facilities by URIs that allow for a seamless integration of information and services physically located at different places. Additionally, that point of view allows for sharing and reuse of these resources throughout the Semantic Web."],["dc.identifier.doi","10.1007/11575801_38"],["dc.identifier.isi","000233743400038"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20313"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","OTM Confederated International Conference and Workshop"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.doi","10.1007/11575801"],["dc.relation.eventend","2005-11-11"],["dc.relation.eventlocation","Agia Napa, CYPRUS"],["dc.relation.eventstart","2005-10-31"],["dc.relation.isbn","3-540-29738-3"],["dc.relation.ispartof","On the move to meaningful Internet systems 2005"],["dc.relation.ispartofseries","Lecture Notes in Computer Science; 3761"],["dc.relation.issn","0302-9743"],["dc.title","An ontology- and resources-based approach to evolution and reactivity in the Semantic Web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","30"],["dc.bibliographiccitation.lastpage","44"],["dc.bibliographiccitation.seriesnr","3791"],["dc.contributor.author","May, W."],["dc.contributor.author","Alferes, J. J."],["dc.contributor.author","Amador, R."],["dc.date.accessioned","2018-11-07T08:47:42Z"],["dc.date.available","2018-11-07T08:47:42Z"],["dc.date.issued","2005"],["dc.description.abstract","In the same way as the \"static\" Semantic Web deals with data model and language heterogeneity and semantics that lead to RDF and OWL, there is language heterogeneity and the need for a semantical account concerning Web dynamics. Thus, generic rule markup has to bridge these discrepancies, i.e., allow for composition of component languages, retaining their distinguished semantics and making them accessible e.g. for reasoning about rules. In this paper we analyze the basic concepts for a general language for evolution and reactivity in the Semantic Web. We propose an ontology based on the paradigm of Event-Condition-Action (ECA) rules including an XML markup. In this framework, different languages for events (including languages for composite events), conditions (queries and tests) and actions (including complex actions) can be composed to define high-level rules for describing behavior in the Semantic Web."],["dc.identifier.isi","000234124600004"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21024"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin"],["dc.relation.conference","1st International Conference on Rules and Rule Markup Languages for the Semantic Web"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.eventend","2005-11-12"],["dc.relation.eventlocation","Galway, Ireland"],["dc.relation.eventstart","2005-11-10"],["dc.relation.isbn","3-540-29922-X"],["dc.relation.ispartof","Rules and rule markup languages for the Semantic Web: first international conference, proceedings"],["dc.relation.ispartofseries","Lecture notes in computer science; 3791"],["dc.title","Active rules in the Semantic Web: Dealing with language heterogeneity"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","239"],["dc.bibliographiccitation.journal","Theory and Practice of Logic Programming"],["dc.bibliographiccitation.lastpage","287"],["dc.bibliographiccitation.volume","4"],["dc.contributor.author","May, W."],["dc.date.accessioned","2018-11-07T10:49:31Z"],["dc.date.available","2018-11-07T10:49:31Z"],["dc.date.issued","2004"],["dc.description.abstract","We define XPathLog as a Datalog-style extension of XPath. XPathLog provides a clear, declarative language for querying and manipulating XML whose perspectives arc especially in XML data integration. In Our characterization, the formal semantics is defined wrt. an edge-labeled graph-based model, which covers the XML data model. We give a complete, logic-based characterization of XML data and the main language concept Cor XML, XPath. XPath-Logic extends the XPath language with variable bindings and embeds it into first-order logic. XPathLog is then the Horn fragment of XPath-Logic, providing a Datalog-style, rule-based language for querying and manipulating X M L data. The model-theoretic semantics of XPath-Logic serves as the base of XPathLog as a logic-programming language, whereas also an equivalent answer-set semantics for evaluating XPathLog queries is given. In contrast to other approaches, the XPath syntax and semantics is also used for a declarative specification how the database Should be updated : when used in rule heads, XPath filters are interpreted as specifications of elements and properties Which Should he added to the database."],["dc.identifier.doi","10.1017/S147106840300187X"],["dc.identifier.isi","221302000001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/48449"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Cambridge Univ Press"],["dc.relation.issn","1471-0684"],["dc.title","XPath-logic and XPathLog: A logic-programming style XML data manipulation language"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","792"],["dc.bibliographiccitation.lastpage","810"],["dc.bibliographiccitation.seriesnr","3896"],["dc.contributor.author","Behrends, E."],["dc.contributor.author","Fritzen, O."],["dc.contributor.author","May, W."],["dc.contributor.editor","Ioannidis, Yannis"],["dc.date.accessioned","2018-11-07T10:27:48Z"],["dc.date.available","2018-11-07T10:27:48Z"],["dc.date.issued","2006"],["dc.description.abstract","XML instances are not necessarily self-contained but may have links to remote XML data residing on other servers. Links between (autonomous) XML instances can be expressed by the XLink language; although, querying such interlinked sources is not yet actually supported. We describe a model of such linked XML instances where the links are not seen as explicit links (where the users must be aware of the links and traverse them explicitly in their queries), but where the links define views that combine into a logical, transparent (XML) model that then can be queried by XPath/XQuery. We motivate the underlying modeling and give a concise and declarative specification as an XML-to-XML mapping. We also describe the implementation of the model as an extension of the eXist [exi] XML database system and point out some perspectives and combinations with related research aspects."],["dc.identifier.doi","10.1007/11687238_4"],["dc.identifier.isi","000237081600047"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/43302"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.publisher.place","Berlin, Heidelberg"],["dc.relation.conference","10th International Conference on Extending Database Technology (EDBT)"],["dc.relation.crisseries","Lecture Notes in Computer Science"],["dc.relation.doi","10.1007/11687238"],["dc.relation.eventend","2006-03-31"],["dc.relation.eventlocation","Munich"],["dc.relation.eventstart","2006-03-26"],["dc.relation.isbn","3-540-32960-9"],["dc.relation.isbn","978-3-540-32961-9"],["dc.relation.ispartof","Advances in database technology - EDBT 2006"],["dc.relation.ispartofseries","Lecture notes in computer science;3896"],["dc.relation.issn","0302-9743"],["dc.title","Handling interlinked XML instances on the Web"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]