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Information, Volume 12, Issue 10

October 2021 - 48 articles

Cover Story: In information retrieval (IR), the semantic gap represents the mismatch between users’ queries and how retrieval models answer these queries. In this paper, we explore how to use external knowledge resources to enhance bag-of-words representations and reduce the effect of the semantic gap between queries and documents. In this regard, we propose several simple but effective knowledge-based query expansion and reduction techniques, and evaluate them in relation to the medical domain. The experimental analyses on different test collections for precision medicine IR show the effectiveness of the developed techniques. In particular, a specific subset of query reformulations allows retrieval models to achieve top-performing results in all the considered test collections. View this paper
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Articles (48)

  • Article
  • Open Access
21 Citations
4,185 Views
14 Pages

Towards Edge Computing Using Early-Exit Convolutional Neural Networks

  • Roberto G. Pacheco,
  • Kaylani Bochie,
  • Mateus S. Gilbert,
  • Rodrigo S. Couto and
  • Miguel Elias M. Campista

19 October 2021

In computer vision applications, mobile devices can transfer the inference of Convolutional Neural Networks (CNNs) to the cloud due to their computational restrictions. Nevertheless, besides introducing more network load concerning the cloud, this ap...

  • Article
  • Open Access
23 Citations
4,319 Views
32 Pages

An Ontological Approach to Enhancing Information Sharing in Disaster Response

  • Linda Elmhadhbi,
  • Mohamed-Hedi Karray,
  • Bernard Archimède,
  • J. Neil Otte and
  • Barry Smith

19 October 2021

Managing complex disaster situations is a challenging task because of the large number of actors involved and the critical nature of the events themselves. In particular, the different terminologies and technical vocabularies that are being exchanged...

  • Communication
  • Open Access
6 Citations
7,004 Views
9 Pages

19 October 2021

Cryptographic hash functions play an essential role in various aspects of cryptography, such as message authentication codes, pseudorandom number generation, digital signatures, and so on. Thus, the security of their hardware implementations is an im...

  • Article
  • Open Access
2,156 Views
14 Pages

Robust and Precise Matching Algorithm Combining Absent Color Indexing and Correlation Filter

  • Ying Tian,
  • Shun’ichi Kaneko,
  • So Sasatani,
  • Masaya Itoh and
  • Ming Fang

18 October 2021

This paper presents a novel method that absorbs the strong discriminative ability from absent color indexing (ABC) to enhance sensitivity and combines it with a correlation filter (CF) for obtaining a higher precision; this method is named ABC-CF. Fi...

  • Article
  • Open Access
4 Citations
2,464 Views
22 Pages

18 October 2021

Instantaneous mega-traffic flow has long been one of the major challenges in the management of mega-cities. It is difficult for the public transportation system to cope directly with transient mega-capacity flows, and the uneven spatiotemporal distri...

  • Article
  • Open Access
9 Citations
3,350 Views
19 Pages

File System Support for Privacy-Preserving Analysis and Forensics in Low-Bandwidth Edge Environments

  • Aril Bernhard Ovesen,
  • Tor-Arne Schmidt Nordmo,
  • Håvard Dagenborg Johansen,
  • Michael Alexander Riegler,
  • Pål Halvorsen and
  • Dag Johansen

18 October 2021

In this paper, we present initial results from our distributed edge systems research in the domain of sustainable harvesting of common good resources in the Arctic Ocean. Specifically, we are developing a digital platform for real-time privacy-preser...

  • Article
  • Open Access
22 Citations
3,985 Views
22 Pages

Missing Data Imputation in Internet of Things Gateways

  • Cinthya M. França,
  • Rodrigo S. Couto and
  • Pedro B. Velloso

17 October 2021

In an Internet of Things (IoT) environment, sensors collect and send data to application servers through IoT gateways. However, these data may be missing values due to networking problems or sensor malfunction, which reduces applications’ reliability...

  • Article
  • Open Access
43 Citations
6,891 Views
14 Pages

17 October 2021

Digital museums that use modern technology are gradually replacing traditional museums to stimulate personal growth and promote cultural exchange and social enrichment. With the development and popularization of the mobile Internet, user experience h...

  • Review
  • Open Access
10 Citations
4,942 Views
40 Pages

16 October 2021

Digitalization increasingly enforces organizations to accommodate changes and gain resilience. Emerging technologies, changing organizational structures and dynamic work environments bring opportunities and pose new challenges to organizations. Such...

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Information - ISSN 2078-2489Creative Common CC BY license