Research Article
Service Recommendation with High Accuracy and Diversity
Table 1
Symbols and their meanings.
| Symbol | Meaning |
| | Web service i used in a user’s history | | Candidate web service j | | The WSDL documentation of web service i | | The number of web services used in a user’s history | | The number of candidate web services | | A user’s rating of web service i used in history | | Degree of a user’s preference for module j | , | Threshold setting | | The -th word in the corpus | ω | The weight vector of web service | | The similarity level of web service i and web service j | | The predicted ranking score of candidate web service j |
|
|