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  • ExtruOnt: An ontology for describing a type of manufacturing machine for Industry 4.0 systems
    Semant. Web (IF 3.182) Pub Date : 2020-05-13
    Víctor Julio Ramírez-Durán; Idoia Berges; Arantza Illarramendi

    Semantically rich descriptions of manufacturing machines, offered in a machine-interpretable code, can provide interesting benefits in Industry 4.0 scenarios. However, the lack of that type of descriptions is evident. In this paper we present the development effort made to build an ontology, calledExtruOnt, for describing a type of manufacturing machine, more precisely, a type that performs an extrusion

    更新日期:2020-06-30
  • Findable and reusable workflow data products: A genomic workflow case study
    Semant. Web (IF 3.182) Pub Date : 2020-05-12
    Alban Gaignard; Hala Skaf-Molli; Khalid Belhajjame

    While workflow systems have improved the repeatability of scientific experiments, the value of the processed (intermediate) data have been overlooked so far. In this paper, we argue that the intermediate data products of workflow executions should be seen as first-class objects that need to be curated and published. Not only will this be exploited to save time and resources needed when re-executing

    更新日期:2020-06-30
  • VocBench 3: A collaborative Semantic Web editor for ontologies, thesauri and lexicons
    Semant. Web (IF 3.182) Pub Date : 2020-05-04
    Armando Stellato; Manuel Fiorelli; Andrea Turbati; Tiziano Lorenzetti; Willem van Gemert; Denis Dechandon; Christine Laaboudi-Spoiden; Anikó Gerencsér; Anne Waniart; Eugeniu Costetchi; Johannes Keizer

    VocBench is an open source web platform for the collaborative development of datasets complying with Semantic Web standards. Since its public release – five years ago – as an open source platform, VocBench has attracted a growing user community consisting of public organizations, companies and independent users looking for open source solutions for maintaining their thesauri, code lists and authority

    更新日期:2020-06-30
  • Weather data publication on the LOD using SOSA/SSN ontology
    Semant. Web (IF 3.182) Pub Date : 2020-04-30
    Catherine Roussey; Stephan Bernard; Géraldine André; Daniel Boffety

    This paper presents an RDF dataset of meteorological measurements. The measurements come from one weather station at the Irstea experimental farm located in Montoldre. The measurements have been made from August 2018 until now. They have been transformed and published as Linked Open Data (LOD). Thedata schema is based on the new version of the Semantic Sensor Network ontology. This ontology version

    更新日期:2020-06-30
  • Large-scale semantic exploration of scientific literature using topic-based hashing algorithms
    Semant. Web (IF 3.182) Pub Date : 2020-04-30
    Carlos Badenes-Olmedo; José Luis Redondo-García; Oscar Corcho

    Searching for similar documents and exploring major themes covered across groups of documents are common activities when browsing collections of scientific papers. This manual knowledge-intensive task can become less tedious and even lead to unexpected relevant findings if unsupervised algorithms are applied to help researchers. Most text mining algorithms represent documents in a common feature space

    更新日期:2020-06-30
  • A decade of Semantic Web research through the lenses of a mixed methods approach
    Semant. Web (IF 3.182) Pub Date : 2020-04-23
    Sabrina Kirrane; Marta Sabou; Javier D. Fernández; Francesco Osborne; Cécile Robin; Paul Buitelaar; Enrico Motta; Axel Polleres

    The identification of research topics and trends is an important scientometric activity, as it can help guide the direction of future research. In the Semantic Web area, initially topic and trend detection was primarily performed through qualitative, top-down style approaches, that rely on expert knowledge. More recently, data-driven, bottom-up approaches have been proposed that offer a quantitative

    更新日期:2020-06-30
  • SQuAP-Ont: An ontology of software quality relational factors from financial systems
    Semant. Web (IF 3.182) Pub Date : 2020-04-22
    Paolo Ciancarini; Andrea Giovanni Nuzzolese; Valentina Presutti; Daniel Russo

    Quality, architecture, and process are considered the keystones of software engineering. ISO defines them in three separate standards. However, their interaction has been scarcely studied, so far. The SQuAP model (Software Quality, Architecture, Process) describes twenty-eight main factors that impact on software quality in banking systems, and each factor is described as a relation among some characteristics

    更新日期:2020-06-30
  • Data-driven assessment of structural evolution of RDF graphs
    Semant. Web (IF 3.182) Pub Date : 2020-04-17
    Carlos Bobed; Pierre Maillot; Peggy Cellier; Sébastien Ferré

    Since the birth of the Semantic Web, numerous knowledge bases have appeared. The applications that exploit them rely on the quality of their data through time. In this regard, one of the main dimensions of data quality is conformance to the expected usage of the vocabulary. However, the vocabularyusage (i.e., how classes and properties are actually populated) can vary from one base to another. Moreover

    更新日期:2020-04-17
  • Automatic detection of relation assertion errors and induction of relation constraints
    Semant. Web (IF 3.182) Pub Date : 2020-04-17
    Andre Melo; Heiko Paulheim

    Although the link prediction problem, where missing relation assertions are predicted, has been widely researched, error detection did not receive as much attention. In this paper, we investigate the problem of error detection in relation assertions of knowledge graphs, and we propose an error detection method which relies on path and type features used by a classifier for every relation in the graph

    更新日期:2020-04-17
  • Combining RDF and SPARQL with CP-theories to reason about preferences in a Linked Data setting
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Vito Walter Anelli; Renato De Leone; Tommaso Di Noia; Thomas Lukasiewicz; Jessica Rosati

    Preference representation and reasoning play a central role in supporting users with complex and multi-factorial decision processes. In fact, user tastes can be used to filter information and data in a personalized way, thus maximizing their expected utility. Over the years, many frameworks and languages have been proposed to deal with user preferences. Among them, one of the most prominent formalism

    更新日期:2020-04-14
  • Towards a question answering system over the Semantic Web
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Dennis Diefenbach; Andreas Both; Kamal Singh; Pierre Maret

    With the development of the Semantic Web, a lot of new structured data has become available on the Web in the form of knowledge bases (KBs). Making this valuable data accessible and usable for end-users is one of the main goals of question answering (QA) over KBs. Most current QA systems query oneKB, in one language (namely English). The existing approaches are not designed to be easily adaptable to

    更新日期:2020-04-14
  • Completeness and soundness guarantees for conjunctive SPARQL queries over RDF data sources with completeness statements
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Fariz Darari; Werner Nutt; Simon Razniewski; Sebastian Rudolph

    RDF generally follows the open-world assumption: information is incomplete by default. Consequently, SPARQL queries cannot retrieve with certainty complete answers, and even worse, when they involve negation, it is unclear whether they produce sound answers. Nevertheless, there is hope to lift thislimitation. On many specific topics (e.g., children of Trump, Apollo 11 crew, EU founders), RDF data sources

    更新日期:2020-04-14
  • A comparison of object-triple mapping libraries
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Martin Ledvinka; Petr Křemen

    Domain-independent information systems like ontology editors provide only limited usability for non-experts when domain-specific linked data need to be created. On the contrary, domain-specific applications require adequate architecture for data authoring and validation, typically using the object-oriented paradigm. So far, several software libraries mapping the RDF model (representing linked data)

    更新日期:2020-04-14
  • Semantic modeling for engineering data analytics solutions
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Madhushi Bandara; Fethi A. Rabhi

    Data Analytics Solution (DAS) engineering often involves multiple tasks from data exploration to result presentation which are applied in various contexts and on different datasets. Semantic modeling based on the open world assumption supports flexible modeling of linked knowledge. The objective ofthis paper is to review existing techniques that leverage semantic web technologies to tackle challenges

    更新日期:2020-04-14
  • Learning expressive linkage rules from sparse data
    Semant. Web (IF 3.182) Pub Date : 2020-04-14
    Petar Petrovski; Christian Bizer

    A central problem in the context of the Web of Data as well as in data integration in general is to identify entities in different data sources that describe the same real-world object. There exists a large body of research on entity resolution. Interestingly, most of the existing research focuseson entity resolution on dense data, meaning data that does not contain too many missing values. This paper

    更新日期:2020-04-14
  • Discovery of Emerging Design Patterns in Ontologies Using Tree Mining.
    Semant. Web (IF 3.182) Pub Date : 2018-12-07
    Agnieszka Ławrynowicz,Jedrzej Potoniec,Michał Robaczyk,Tania Tudorache

    The research goal of this work is to investigate modeling patterns that recur in ontologies. Such patterns may originate from certain design solutions, and they may possibly indicate emerging ontology design patterns. We describe our tree-mining method for identifying the emerging design patterns. The method works in two steps: (1) we transform the ontology axioms in a tree shape in order to find axiom

    更新日期:2019-11-01
  • A Systematic Analysis of Term Reuse and Term Overlap across Biomedical Ontologies.
    Semant. Web (IF 3.182) Pub Date : 2017-08-19
    Maulik R Kamdar,Tania Tudorache,Mark A Musen

    Reusing ontologies and their terms is a principle and best practice that most ontology development methodologies strongly encourage. Reuse comes with the promise to support the semantic interoperability and to reduce engineering costs. In this paper, we present a descriptive study of the current extent of term reuse and overlap among biomedical ontologies. We use the corpus of biomedical ontologies

    更新日期:2019-11-01
  • Using ontologies to model human navigation behavior in information networks: A study based on Wikipedia.
    Semant. Web (IF 3.182) Pub Date : 2015-11-17
    Daniel Lamprecht,Markus Strohmaier,Denis Helic,Csongor Nyulas,Tania Tudorache,Natalya F Noy,Mark A Musen

    The need to examine the behavior of different user groups is a fundamental requirement when building information systems. In this paper, we present Ontology-based Decentralized Search (OBDS), a novel method to model the navigation behavior of users equipped with different types of background knowledge. Ontology-based Decentralized Search combines decentralized search, an established method for navigation

    更新日期:2019-11-01
  • WebProtégé: A Collaborative Ontology Editor and Knowledge Acquisition Tool for the Web.
    Semant. Web (IF 3.182) Pub Date : 2013-06-29
    Tania Tudorache,Csongor Nyulas,Natalya F Noy,Mark A Musen

    In this paper, we present WebProtégé-a lightweight ontology editor and knowledge acquisition tool for the Web. With the wide adoption of Web 2.0 platforms and the gradual adoption of ontologies and Semantic Web technologies in the real world, we need ontology-development tools that are better suited for the novel ways of interacting, constructing and consuming knowledge. Users today take Web-based

    更新日期:2019-11-01
  • BioPortal as a Dataset of Linked Biomedical Ontologies and Terminologies in RDF.
    Semant. Web (IF 3.182) Pub Date : 2013-01-01
    Manuel Salvadores,Paul R Alexander,Mark A Musen,Natalya F Noy

    BioPortal is a repository of biomedical ontologies-the largest such repository, with more than 300 ontologies to date. This set includes ontologies that were developed in OWL, OBO and other formats, as well as a large number of medical terminologies that the US National Library of Medicine distributes in its own proprietary format. We have published the RDF version of all these ontologies at http://sparql

    更新日期:2019-11-01
  • Continuous top-k approximated join of streaming and evolving distributed data
    Semant. Web (IF 3.182) Pub Date : 2019-10-17
    Shima Zahmatkesh; Emanuele Della Valle

    Continuously finding the most relevant (shortly, top-k) answer of a query that joins streaming and distributed data is getting a growing attention. In recent years, this is in particular happening in Social Media and IoT. It is well known that, in those settings, remaining reactive can be challenging, because accessing the distributed data can be highly time consuming as well as rate-limited. In this

    更新日期:2019-10-17
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