布林对数据挖掘很有兴趣； 佩奇知道可以从一篇文献被引用的次数推断其重要性，试图将这个概念进一步引申、运用。
Mr Brin was interested in data mining, and Mr Page in extending the concept of inferring the importance of a research paper from its citations in other papers.
这些索引记录着一篇文章被作为参考文献引用的次数，从而估量其影响力。
They record how often one article is cited as a source by others, and thus measure a paper's influence.
专利在科技文献中被引用的次数是一个合理的参考标准；每个半导体专利被引用的次数在80年代下降。
The number of times a patent is cited in the technical literature is a reasonable yardstick, and citations per semiconductor patent did decline during the 1980 's.
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