The popular search engines can no longer satisfy the need for searching information on the Internet.The second generation search engines are coming into our field of vision.They have brought us new hope and pleasure i...The popular search engines can no longer satisfy the need for searching information on the Internet.The second generation search engines are coming into our field of vision.They have brought us new hope and pleasure in search of information on the Internet with their classification system,technical innovation and advantages in special technical spheres.This paper analyzes some representative search engines and their technical connotations.展开更多
As novelty check plays an important role in scientific and technical management,the quality of novelty check itself is being paid more and more attention to.Based on a brief analysis of the factors that affect novelty...As novelty check plays an important role in scientific and technical management,the quality of novelty check itself is being paid more and more attention to.Based on a brief analysis of the factors that affect novelty check quality,the paper introduces the practice of Tsinghua Novelty Check Station in improving the novelty check quality,including working flow,retrieval methods,utilization of Internet resources,the quality of novelty checker,cooperation with clients,etc.展开更多
文摘The popular search engines can no longer satisfy the need for searching information on the Internet.The second generation search engines are coming into our field of vision.They have brought us new hope and pleasure in search of information on the Internet with their classification system,technical innovation and advantages in special technical spheres.This paper analyzes some representative search engines and their technical connotations.
文摘As novelty check plays an important role in scientific and technical management,the quality of novelty check itself is being paid more and more attention to.Based on a brief analysis of the factors that affect novelty check quality,the paper introduces the practice of Tsinghua Novelty Check Station in improving the novelty check quality,including working flow,retrieval methods,utilization of Internet resources,the quality of novelty checker,cooperation with clients,etc.