1,721,018 research outputs found
Management of XML data by means of schema matching
Get PDFMagdeburg, Univ., Fak. für Informatik, Diss., 2010Alsayed Alshahat Alsayed Algergaw
Entity Extraction in the Ecological Domain – A practical guide
No full textScientific information comes in many shapes: As data in databases or spreadsheets, but also as textual information in papers and books. In order to exploit all this information and integrate all the knowledge that is available regarding a specific entity, it is necessary to identify entities and their relationships. In this paper, we provide a guideline to setting up a pipeline that supports entity and relationship extraction from scientific publications from the ecological domain
XML Schema Element Similarity Measures: A Schema Matching Context
No full textIn this paper, we classify, review, and experimentally compare\ud
major methods that are exploited in the definition, adoption, and\ud
utilization of element similarity measures in the context of XML schema\ud
matching. We aim at presenting a unified view which is useful when developing\ud
a new element similarity measure, when implementing an XML\ud
schema matching component, when using an XML schema matching system,\ud
and when comparing XML schema matching systems
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Combining Schema and Level-Based Matching for Web Service Discovery
No full textAbstract. Due to the availability of huge number of Web services (WSs), finding an appropriate WS according to the requirement of a service con-sumer is still a challenge. In this paper, we present a new and flexible approach, called SeqDisc, that assesses the similarity between WSs. In particular, the approach exploits the Prüfer encoding method to repre-sent WSs as sequences capturing both semantic and structure informa-tion of service descriptions. Based on the sequence representation, we develop an efficient sequence-based schema matching approach to mea-sure the similarity between WSs. A set of experiments is conducted on real data sets, and the results confirm the performance of the proposed solution
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