Combining the evidence of multiple query representations for information retrieval
TREC-2 Proceedings of the second conference on Text retrieval conference
Multidimensional binary search trees used for associative searching
Communications of the ACM
R-trees: a dynamic index structure for spatial searching
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
The LSDh-Tree: An Access Structure for Feature Vectors
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
The Buddy-Tree: An Efficient and Robust Access Method for Spatial Data Base Systems
VLDB '90 Proceedings of the 16th International Conference on Very Large Data Bases
An Optimal Algorithm for Approximating a Set of Rectangles by Two Minimum Area Rectangles
CG '91 Proceedings of the International Workshop on Computational Geometry - Methods, Algorithms and Applications
PlanetP: Using Gossiping to Build Content Addressable Peer-to-Peer Information Sharing Communities
HPDC '03 Proceedings of the 12th IEEE International Symposium on High Performance Distributed Computing
Foundations of Multidimensional and Metric Data Structures (The Morgan Kaufmann Series in Computer Graphics and Geometric Modeling)
Scalable summary based retrieval in P2P networks
Proceedings of the 14th ACM international conference on Information and knowledge management
Discovering gis sources on the web using summaries
Proceedings of the 8th ACM/IEEE-CS joint conference on Digital libraries
Server selection methods in personal metasearch: a comparative empirical study
Information Retrieval
Handbook of Peer-to-Peer Networking
Handbook of Peer-to-Peer Networking
VoR-tree: R-trees with Voronoi diagrams for efficient processing of spatial nearest neighbor queries
Proceedings of the VLDB Endowment
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The amount of media items on the web is increasing tremendously, especially regarding personal media items. To effectively collaborate over and share these massive amounts of media objects, there is a strong need for adequate indexing and search techniques. Trends like social networks, large-storage mobile devices and high-bandwidth networks make peer-to-peer (P2P) information retrieval systems of deep interest. Hence, resource selection based on compact resource descriptions is used to efficiently determine promising peers w.r.t. a query. To design effective media search applications, multiple search criteria need to be addressed. Subsequently, besides text or visual media content, geospatial data is frequently used. We propose techniques to summarize and select collections of georeferenced media items in P2P systems. Generally, these summarization techniques can be divided into geometric and space partitioning approaches. This paper presents and evaluates techniques of a third category, hybrid approaches that combine features of geometric and space partitioning techniques.