Open AccessNatural language on-line retrieval system of the Chinese Geological Bibliographic Database
Author(s) -
C Xiping
Publication year - 1994
Language(s) - English
Resource type - Reports
DOI - 10.4095/193935
Subject(s) - information retrieval , computer science , natural (archaeology) , line (geometry) , database , world wide web , history , archaeology , geometry , mathematics