Comparison of Google Advanced Patent Database and Espacenet for Prior Art Search Enhancement
نویسندگان
چکیده
منابع مشابه
Query Enhancement for Patent Prior-Art-Search Based on Keyterm Dependency Relations and Semantic Tags
Prior art search is one of the most common forms of patent search, whose goal is to find patent documents that constitute prior art for a given patent being examined. Current patent search systems are mostly keyword-based, and due to the unique characteristics of patents and their usage, such as embedded structure and the length of patent documents, there are rooms for further improvements. In ...
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idf 0.0484 0.0534 0.0565 0.055 0.0546 0.0551 0.0549 0.0549 0.0549 0.0549 log(tf)idf 0.0326 0.0531 0.0583 0.0569 0.0556 0.0551 0.0549 0.0549 0.0549 0.0549 tf 0.0011 0.0048 0.013 0.0247 0.0378 0.0439 0.0495 0.0534 0.0559 0.0584 Claims idf 0.0359 0.0478 0.0498 0.0533 0.0569 0.0619 0.0636 0.06 0.0583 0.0593 log(tf)idf 0.0515 0.064 0.0675 0.0668 0.0641 0.0629 0.0607 0.0606 0.0563 0.0566 tf 0.0012 0....
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ژورنال
عنوان ژورنال: International Journal for Research in Applied Science and Engineering Technology
سال: 2018
ISSN: 2321-9653
DOI: 10.22214/ijraset.2018.1355