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Searching for authors named "Vasilis Delis" – sorted by Relevance.

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Help! 7 documents found, showing 1 through 7.
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  • Relation-Based Similarity  
  • by Dimitris Papadias, Vasilis Delis — 1997 — Proceedings of the 5th ACM Workshop on GIS, Las Vegas, ACM
  • …: Similarity queries constitute an active area in spatial query processing. The paper addresses the problem of qualitative similarity based on spatial relations. On the one hand spatial similarity entails mechanisms for representing and reasoning on spatial relations, while on the other it introduce…
  • Cited by 4 (0 self) – Add To MetaCart
  • Approximate Spatio-Temporal Retrieval  
  • by Dimitris Papadias, Nikos Mamoulis, Vasilis Delis
  • …This paper proposes a framework for the handling of spatio-temporal queries with inexact matches, using the concept of relation similarity. We initially describe a binary string encoding for 1D relations that permits the automatic derivation of similarity measures. We then extend this model to vario…
  • Cited by 5 (3 self) – Add To MetaCart
  • THEODORIDIS Y.: Towards a Taxonomy of Location Based Services  
  • by Kostas Gratsias, Elias Frentzos, Vasilis Delis, Yannis Theodoridis — 2005 — W2GIS 2005, Lecture Notes in Computer Science
  • …Abstract. Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whether the user (query object) and the data objects are moving or not and ii) we provide algorithms for the effic…
  • Cited by 3 (0 self) – Add To MetaCart
  • Querying by Spatial Structure  
  • by Dimitris Papadias, Nikos Mamoulis, Vasilis Delis — 1998
  • …: Structural queries constitute a special form of content-based retrieval where the user specifies a set of spatial constraints among query variables and searches for all configurations of actual objects that (totally or partially) match these constraints. Processing of such queries can be though…
  • Cited by 23 (8 self) – Add To MetaCart
  • Assessing Multimedia Similarity: A Framework for Structure and Motion  
  • by Vasilis Delis, Dimitris Papadias, A Framework For Structure — 1998 — ACM Multim��dia 98, Session 7 C: Content-Based Retrieval Systems, http://www.acm.org/sigmm/MM98/electronic_proceedings/delis/index.html
  • …In this paper we address the issue of structural multimedia similarity, which is based on the relations between the individual objects that comprise a multimedia document. We propose a binary string encoding for 1D relations which permits the automatic derivation of similarity measures. We then exte…
  • Cited by 6 (2 self) – Add To MetaCart
  • Relation-Based Similarity  
  • by Dimitris Papadias Department, Dimitris Papadias, Vasilis Delis — 1997 — Proceedings of the 5th ACM Workshop on GIS, Las Vegas, ACM
  • …: Similarity queries constitute an active area in spatial query processing. The paper addresses the problem of qualitative similarity based on spatial relations. On the one hand spatial similarity entails mechanisms for representing and reasoning on spatial relations, while on the other it introduce…
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  • Developing Decision Support Tools for  
  • by Confronting Seismic Hazards, Apostolia Gerbesioti, Vasilis Delis, Yannis Theodoridis, Stavros Anagnostopoulos
  • …Following a natural disaster, such as earthquake, there are two critical factors for consideration; damage assessment and decision-making. In order to address these issues, a system for post-earthquake damage and usability assessment of buildings has been designed and implemented, in cooperation …
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