Error message

  • Warning: Illegal string offset 'field' in DatabaseCondition->__clone() (line 1895 of /home/iachinao/domains/iskocn.org/includes/database/query.inc).
  • Warning: Illegal string offset 'field' in DatabaseCondition->__clone() (line 1895 of /home/iachinao/domains/iskocn.org/includes/database/query.inc).
  • Warning: Illegal string offset 'field' in DatabaseCondition->__clone() (line 1895 of /home/iachinao/domains/iskocn.org/includes/database/query.inc).
  • Notice: Trying to get property of non-object in block_block_view() (line 245 of /home/iachinao/domains/iskocn.org/modules/block/block.module).
  • Notice: Trying to get property of non-object in block_block_view() (line 245 of /home/iachinao/domains/iskocn.org/modules/block/block.module).

中文图书

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Filters: Author is 李景  [Clear All Filters]
2005
本体理论在文献检索系统中的应用研究, 李景 , 信息管理科学博士文库, 北京, p.321, (2005)