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SWIM '12: Proceedings of the 4th International Workshop on Semantic Web Information Management
ACM2012 Proceeding
Publisher:
  • Association for Computing Machinery
  • New York
  • NY
  • United States
Conference:
SIGMOD/PODS '12: International Conference on Management of Data Scottsdale Arizona 20 May 2012
ISBN:
978-1-4503-1446-6
Published:
20 May 2012
Sponsors:
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Abstract

The ceaseless expansion of the World Wide Web is making more and more complex for humans to efficiently find the needed information. The underlying idea of having a description of the data on the Web, organized in such a way as to be used by machines for automation, integration and reuse across various applications, has been exploited in several research fields. As in the previous editions, the International Workshop on "Semantic Web Information Management" (SWIM) aims at reviewing the most recent data-centered solutions for the Semantic Web. In particular, its ambition is to present and analyze the techniques for semantic information management, by taking advantage of the synergisms between the logical basis of the semantic web and the logical foundations of conceptual modeling. Indeed, the leitmotif of these researches is the proposal of models and methods conceived to represent and manage the so-called "semantic data", that is, data appropriately structured to be easily machine-processable on the Web, according to semantic models (e.g. RDF, RDF(S), OWL). The long-standing experience of the information modeling community can provide a priceless contribution to the substantial problems arising in semantic data management.

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research-article
Automatic scaling of selective SPARQL joins using the TIRAMOLA system
Article No.: 1, Pages 1–8https://doi.org/10.1145/2237867.2237868

Modern cloud infrastructures based on virtual hardware provide new opportunities and challenges for developers and system administrators alike. Most notable is the promise of resource elasticity, whereby the infrastructure can increase or decrease in ...

research-article
Towards benefit-based RDF source selection for SPARQL queries
Article No.: 2, Pages 1–8https://doi.org/10.1145/2237867.2237869

The Linked Data cloud consists of a great variety of data provided by an increasing number of sources. Selecting relevant sources is therefore a core ingredient of efficient query processing. So far, this is either done with additional indexes or by ...

research-article
Pay-as-you-go data integration for linked data: opportunities, challenges and architectures
Article No.: 3, Pages 1–8https://doi.org/10.1145/2237867.2237870

Linked Data (LD) provides principles for publishing data that underpin the development of an emerging web of data. LD follows the web in providing low barriers to entry: publishers can make their data available using a small set of standard technologies,...

research-article
Named entity recognition and disambiguation using linked data and graph-based centrality scoring
Article No.: 4, Pages 1–7https://doi.org/10.1145/2237867.2237871

Named Entity Recognition (NER) is a subtask of information extraction and aims to identify atomic entities in text that fall into predefined categories such as person, location, organization, etc. Recent efforts in NER try to extract entities and link ...

research-article
To nest or not to nest, when and how much: representing intermediate results of graph pattern queries in MapReduce based processing
Article No.: 5, Pages 1–8https://doi.org/10.1145/2237867.2237872

Many queries on RDF datasets involve triple patterns whose properties are multi-valued. When processing such queries using flat data models and their associated algebras, intermediate results could contain a lot of redundancy. In the context of ...

research-article
Type inference methods and performance for data in an RDBMS
Article No.: 6, Pages 1–8https://doi.org/10.1145/2237867.2237873

In this paper we survey and measure the performance of methods for reasoning using OWL-DL rules over data stored in an RDBMS. OWL-DL Reasoning may be broken down into two processes of classification and type inference. In the context of databases, ...

research-article
A decentralized infrastructure for the efficient management of resources in the web of data
Article No.: 7, Pages 1–8https://doi.org/10.1145/2237867.2237874

A key requirement in linking open data refers to the rendering of such data easy to explore and consume. Such a requirement is critical for the overall quality of linked data in terms of consistency and interlinking. Although the provision of ...

research-article
SPOVC: a scalable RDF store using horizontal partitioning and column oriented DBMS
Article No.: 8, Pages 1–8https://doi.org/10.1145/2237867.2237875

Organizing and indexing RDF data for efficient evaluation of SPARQL queries has been attracting a lot of attention in the recent past. Most of the techniques proposed in this context leverage the existing RDBMS or column oriented DB technologies. In ...

research-article
SPARQL query answering with bitmap indexes
Article No.: 9, Pages 1–4https://doi.org/10.1145/2237867.2237876

When querying RDF data, one may use reasoning to reach intensional data, i.e., data defined by sets of rules. This is usually achieved through forward chaining, with space and maintenance overheads, or backward chaining, with high query evaluation and ...

research-article
Abstract framework for social ontologies and folksonomized ontologies
Article No.: 10, Pages 1–4https://doi.org/10.1145/2237867.2237877

Many web-based public repositories are widely adopting tag-based metadata approaches as their main classification mechanism. This phenomenon is fostering initiatives to improve the semantic interpretation of tags, usually involving two main entities: "...

Contributors
  • Roma Tre University
  • University of Trento
  • Politecnico di Milano
  1. Proceedings of the 4th International Workshop on Semantic Web Information Management

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