Strict and sloppy interpretations ambiguity as well as locality effect and the eliminative puzzles are typical properties of VP ellipsis in English, while these properties can be observed in null object constructions (NOC) and some similar elliptical constructions in Chinese.

In the paper "A new solution scheme for the member deletion problem in group signature by use of renew operator", Wang Shangping and Wang Yumin give a new method to solve the problem in 2003.

A new solution scheme for the member deletion problem in Camenisch-Stadler抯 group signature schemes is proposed by use of the group member抯 secret property key renew operator.

This paper introduces different methods on how to add, delete, edit records in a database.

The paper is the later series of paper three,how to delete a node in a BT and keep its balance is the topic.

This paper introduces some methods of storing and processing tree structure in relation s database table, providing database table s structure and algorithms of search,insert,delete, modify.

AS mammal deletion of subdirectories one by one is a diverse and complicated operation, the executive command programmed with PASCAL language has been applicated in the computation center for automatically deleting them with higher effectiveness.

In general, there are some methods about maintenance ,for instance ,utility policy, deletion policy.