According to the present situation and the misunderstanding of the project claim in our country,the author studies the theory of the project claim,determines the correct claim strategy,puts forward the reasonable claim techniques,points out that the correct claim strategy and the flexible claim techniques is the key of the successful claim.

For clause C,claim size is considered in its BMS,so the existing optimal claim strategy model is not suitable for clause C.

The author discusses that in the construction claim management work it is how to find and grasp the potential claim opportunity in time and comprehensively,and get correct claim decision,combines with cases concretely analyzes how to apply into practical work,so as to treat the claim problem in building project better.

An efficient search strategy of text searcher in schemas match systems;

This paper has introduced the medical resources in the Internet and its search strategy.

Applied explanations of search strategy and functions are carried out by case analysis.

Study of universal retrieval strategy of digital resources in library

The network information resource retrieval and the use have already become the main way that people obtain the information,but want to obtain the information needed quickly and accurately,have to grasp the certain network retrieval technology and the retrieval strategy.

The paper analyses each kind of information retrieval strategy about Chinese academic periodicals,including periodical publication,the rank,the table of contents,the digest,the index,the full text and so on.