Discussion on Access Database Network Teaching Mode

Discussion on Organizational Mode of Teaching Team Innovation in Colleges and University

Based on analyzing characteristics of innovative teaching teams in colleges and universities, the paper elaborates the construction principles of innovative teaching teams in colleges and universities, puts forward the “Four, Three, Four, One” organizing mode of innovative teaching teams in colleges and universities, and can be consulted while establishing current innovative teaching teams in c...

Multigrade Teaching: a Discussion Document

Multigrade teaching occurs within a graded system of education when a single class contains two or more student grade levels. It is contrasted with the usual pattern of classroom organization in graded systems where a single classroom contains students of only one grade level. In many graded systems, age and grade are congruent, so a grade level is also equivalent to a particular age group of s...

Analysis on Cognitive Wireless Network Mac Protocol Access Mode Based on Ns2

Aiming at the same frequency interference, in the channel increased frequency recognition function before the consultation and put forward based on the frequency of perception multiple channel CC-MMAC agreement, simulation verification protocol can effectively reduce the co-channel interference. Channel quality changes with time by the effects of the decline and dispersion, thus cause a certain...

A Reflection on Teaching, Multiculturalism, and Access

Access Control for Database Federations a Discussion of the State-of-the-art

This paper considers a particular aspect of interoperability: the secure operation of database federations. A database system joining a federation aims to sacrifice neither its security nor its functionality. Existing applications should remain unaffected by the federation's processing, confidentiality and integrity have to be preserved, etc. In this paper we focus on a particular aspect of sec...