Through the management practices for the construction of general contracting project after introducing project collaboration concept,the solution for opponents\' relationship of all parties has been explored so as to achieve project\'s harmonious construction.

The analysis and modeling of collaborative project management for virtual enterprise;

Information is very important for the collaborative project management for virtual enterprise, which emphasizes on the shared information and collaboration work.

It expatiates the use of cooperation concept in engineering project under EPC mode and probes into the method to solve the issues or relationship between Owner and Contractor of a project in order to have a win-win result.

To solve the sparsity problems of recommender systems,a recommendation method is designed by means of the combination of the non-neighbouring sequential pattern mining algorithms and the item-based Collaborative Filtering(CF) recommendation algorithms.

Risk evaluation model for collaborative projects based on fuzzy AHP method;

Optimization algorithm for task assignment with multi-objectives in collaborative project;

There is a large amount of interaction and sharing of information, overlapping and changing of tasks, allocation, conflict and distributed collaboration of resources in the collaborative project.