Searching for authors named "Christos Doulkeridis" – sorted by Relevance.
14 documents found, showing 1 through 10.
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The SOWES approach to P2P web search using semantic overlays
- …Peer-to-peer (P2P) Web search has gained a lot of interest lately, due to the salient characteristics of P2P systems, namely scalability, fault-tolerance and load-balancing. However, the lack of global knowledge in a vast and dynamically evolving environment like the Web presents a grand challenge f…
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Querying and Updating a Context-Aware Service Directory in Mobile Environments
- …Several interesting research directions materialize through the convergence of mobile computing and service-oriented computing. As mobile devices keep getting smaller, cheaper and more sophisticated, their use is becoming a commodity. We envision future scenarios that involve mobile devices acting n…
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Schema-Assisted Peer Selection for XML Querying in Unstructured P2P Systems ABSTRACT
- …XML is emerging as the de-facto standard for semistructured contents and metadata. Searching this content in mobile environments is challenging, since centralized approaches are not appropriate in a very dynamic environment with limited resources available for keeping a centralized index up-to-date.…
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The Role of Caching and Context-Awareness in P2P Service Discovery
- …Mobile terminals (cellular phones, PDAs, palmtops etc.) emerge as a new class of small-scale, ad-hoc service providers that share data and functionality via mobile web services' calls. In mobile service discovery, it is often the case that implicit contextual information such as the location of the …
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Semantic Overlays for P2P Web Searching
- …Peer-to-peer (P2P) web search has gained a lot of interest lately, due to the salient characteristics of P2P systems, namely scalability, fault-tolerance and load-balancing. However, the lack of global knowledge in a vast and dynamically evolving environment like the Web presents a grand challenge f…
- Cited by 1 (1 self) – Add To MetaCart
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Schema-Assisted XML Querying in Unstructured P2P Systems
- …While XML emerges as the de-facto standard for contents available on the Web, centralized approaches for searching the available information is deemed inappropriate at Web scale. Unstructured peer-to-peer (P2P) systems appear as a promising alternative to delve with scalability limitations, hence ef…
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Peer-to-Peer Similarity Search over Widely Distributed Document Collections
- …This paper addresses the challenging problem of similarity search over widely distributed ultra-high dimensional data. Such an application is retrieval of the top-k most similar documents in a widely distributed document collection, as in the case of digital libraries. Peer-to-peer (P2P) systems eme…
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Towards a Context-Aware Service Directory
- …Advances in the areas of mobile computing and web services lead to new scenarios of use and innovative applications. Our approach involves mobile devices that act not only as requestors of data, but as data providers as well, providing access to their data through web services.…
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A System Architecture for Context-Aware Service Discovery
- …Recent technological advances have enabled both the consumption and provision of mobile services (m-services) by small, portable, handheld devices. However, mobile devices still have restricted capabilities with respect to processing, storage space, energy consumption, stable connectivity, bandwidth…
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SKYPEER: Efficient subspace skyline computation over distributed data
- …Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional dataset. While most previous work has assumed a centralized setting, in this paper we address the efficient computation …
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