The January 2009 issue of IEEE Intelligent Systems is a special issue on the Semantic Web and science knowledge integration: The Emerging Field of Semantic Scientific Knowledge Integration . McGuinness, Deborah L.; Fox, Peter; Brodaric, Boyan; Kendall, Elisa Ontology Design for Scientific Theories That Make Probabilistic Predictions . Poole, D.; Smyth, C.; Sharma, R. Semantic Support for Quantitative Research Processes . Rijgersberg, H.; Top, J.; Meinders, M. MatSeek: An Ontology-Based Federated Search Interface for Materials Scientists . Cheung, Kwok; Hunter, Jane; Drennan, John Annotation and Image Markup: Accessing and Interoperating with the Semantic Content in Medical Imaging . Rubin, Daniel L.; Mongkolwat, Pattanasak; Kleper, Vladimir; Supekar, Kaustubh; Channin, David S. Enabling Cross-Disciplinary E-Science by Integrating Geoscience Ontologies with Dolce . Brodaric, B.; Probst, F.