Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Xi-quan Yang"'
Autor:
Da Xin Shi, Dong Wang, Qi Zhang, Jia Rong Li, Lijun Zhang, Xi Quan Yang, Qing Li, Chun Xia Wang
Publikováno v:
Chinese Chemical Letters. 19:15-18
Two different skeletons of heterocyclic compounds, quinoline and quinazolinone analogs could be obtained by a novel one-pot synthesis from substituted 3-amino-1H-benzo[f]chromene-2-carbonitrile derivatives and cyclohexanone in DMF in the catalyst of
Publikováno v:
IIH-MSP
Science and technology literature retrieval system is commonly used by researchers as document retrieval tools. The classic information retrieval models such as Boolean Model [1], Vector Space Model and Probabilistic model neglect the position of que
Autor:
Shu Dai, Xi-quan Yang
Publikováno v:
Journal of Computer Applications. 28:2837-2839
Autor:
Lijun Zhang, Xiao Fan Zhao, Li Jun Wang, Jun Xia Qiu, Jia Rong Li, Xi Quan Yang, Jin Nan Chen
Publikováno v:
Chinese Chemical Letters. 18:636-638
2H-3, 1-Pyrazolo[3, 4-e]oxazines (5a-c) and tacrine analogies (6a-c) were designed and prepared using 5-amino-4-cyanopyrazole (7) and cycloketones (2a-c) as reactants. The study demonstrated that the new conversion existed in the Friedlander reaction
Publikováno v:
SMAP
Text clustering as a method of organizing retrieval results can organize large amounts of web search into a small number of clusters in order to facilitate users? quickly browsing. In this paper, we propose a text clustering method based on ontology
Publikováno v:
2008 3rd International Conference on Innovative Computing Information and Control.
This paper proposes a transformation algorithm of abstracting information based on the semantic path, by constructing XML index tree. The signature information of more subtle granularity and significance can be found quickly in the XML document accor
Autor:
Qi Zhang, Lijun Zhang, Da Xin Shi, Dong Wang, Xi Quan Yang, Qing Li, Chun Xia Wang, Jia Rong Li
Publikováno v:
ChemInform. 39
Autor:
Li Jun Wang, Xi Quan Yang, Lijun Zhang, Jia Rong Li, Jun Xia Qiu, Xiao Fan Zhao, Jin Nan Chen
Publikováno v:
ChemInform. 39
Publikováno v:
2008 Third International Workshop on Semantic Media Adaptation & Personalization; 2008, p147-152, 6p
Publikováno v:
2008 3rd International Conference on Innovative Computing Information & Control; 2008, p369-369, 1p