Abstract
The management of voluminous heterogeneous resources and services in the web environment is a complex task. Semantic knowledge is playing an increasing important role in order to have the heterogeneous resources well managed. In this paper, we propose a knowledge-based data model and query algebra for the next-generation web. In the model, domain ontology knowledge is described within knowledge schema and domain background knowledge is captured in integrity constrain rules. A query algebra is defined to manipulate the modeled resource base. Based on the algebra operators, we define a high-level declarative query language and illustrate it with examples. Finally, a comparison with related works is made. Our work provides a generic foundation of semantic resource management for the future web.
Supported by the National High-Tech Project (Grant No.2001AA113121) of China, National Natural Science Foundation of China (90104021), Beijing Natural Science Foundation (4011003) and National 863 Project(Grant No.2003AA115220)
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Sheng, QJ., Shi, ZZ. (2004). A Knowledge-Based Data Model and Query Algebra for the Next-Generation Web . In: Yu, J.X., Lin, X., Lu, H., Zhang, Y. (eds) Advanced Web Technologies and Applications. APWeb 2004. Lecture Notes in Computer Science, vol 3007. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24655-8_53
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DOI: https://doi.org/10.1007/978-3-540-24655-8_53
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