Structure and evolution of online social networks
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Exploring social annotations for information retrieval
Proceedings of the 17th international conference on World Wide Web
Linking behavior in a virtual world environment
Proceedings of the 15th International Conference on Web 3D Technology
Supporting distributed search in virtual worlds
OCSC'13 Proceedings of the 5th international conference on Online Communities and Social Computing
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We present a system for collecting content from 3D multi-user virtual worlds for use in a cross-world search engine, an enabling technology for linking virtual worlds to the wider web. We use an intelligent agent crawler designed to collect user-generated content without relying on access to private internal server databases. The agents navigate autonomously through the world and interact with content to discover regions, parcels of land within regions, user-created objects, other avatars, and user associations. The experiments we performed are the first which focus on the content within a large virtual world. Our results show that virtual worlds can be effectively crawled using autonomous agent crawlers that emulate normal user behavior. Additionally, we find that the collection of interactive content enhances our ability to identify dynamic, immersive environments within the world.