1. INEX: INitiative for the Evaluation of XML Retrieval,
http://inex.is.informatik.uniduisburg.de/2007/
2. XMethods,
http://www.xmethods.net/ve2/index.po
3. Wordnet,
http://wordnet.princeton.edu/
4. Akkiraju, R., Farrell, J., Miller, J., Nagarajan, M., Schmidt, M.-T., Amit Sheth, L.L., Kunal Verma, L.L.: Web Service Semantics - WSDL-S (2005)
5. Al-Masri, E., Mahmoud, Q.H.: QoS-based Discovery and Ranking of Web Services. In: IEEE 16th International Conference on Computer Communications and Networks (ICCCN), pp. 529–534 (2007)