1) internet ideas
网络观念
2) concept of electronic network
电子网络观念
3) conceptual grids
观念网格
4) belief network
信念网络
1.
Extended research on belief network retrieval model
信念网络检索模型扩展研究
2.
To resolve the problem that original model does not use relationships among terms, this paper gives definition of optimal synonym,similar concept,and concept similarity by using synonym for IR and word similarity,presents arithmetic of concept similarity and query terms synonym based extended belief network model by using aforementioned definitions,discuse.
信念网络模型是一种重要的、基于贝叶斯网络的信息检索模型。
3.
Combining distinct sources of evidential knowledge to expand belief network for information retrieval (IR) is a current and important research direction.
归并不同证据资源扩展用于信息检索的信念网络是当前一个重要的研究方向。
5) concept network
概念网络
1.
Automatic Assessment Technology Based on Domain-specific Concept Network;
基于领域概念网络的自动批改技术
6) Conceptual network
概念网络
1.
This paper proposes a text retrieval algorithm based on conceptual network and subject concept tree.
该文提出了一种基于概念网络和主题概念树的面向主题的文本检索算法。
2.
A new paradigm of conceptual retrieval is discussed in this paper; its foundation is a conceptual network which is formed by merging the classification and thesaurus into a concept network and then distributing the metadata records into the concept nodes according to their subjects, just like the “shelving” of the metadata.
本文提出了一种在分类法和主题词表的基础上集成语义元数据、构建概念网络、实现概念检索的方法。
补充资料：电子-电子双共振
在垂直静磁场H的方向,施加两个微波电磁场:①较弱的微波电磁场，激发电子从能级2向能级3跃迁，不致于饱和；②强的微波电磁场，激发电子从能级1向能级4跃迁，使达到饱和，从而导致能级4的电子转移至能级3，以观察反映2→3跃迁的电子自旋共振信号强度的变化，故称为电子－电子双共振。它与电子-核双共振不同之处是不涉及核的跃迁，并且观察的与电子自旋共振有关的能级和未观察的跃迁能级之间无共享的公共能级。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条