A method for processing data from an online on-demand service platform is provided. The method may include obtaining a plurality of first groups of orders from a first time period for an on-demand service provided by the online on-demand service platform. Each group of the plurality of first groups of orders may be associated with a service requester and a plurality of service providers. The method may also include determining a first behavior feature of the plurality of service providers and a second behavior feature of the service requester for each group of the plurality of first groups of orders. The method may also include determining a plurality of training samples based on a plurality of pairs of first behavior features and second behavior features. The method may further include determining feature weights for service evaluation using the plurality of training samples.