One of the great strengths of natural language search (or semantic search, or LSA/LSI, etc.) is its ability to maximize RECALL. In other words, if you want to make absolutely sure you...
Range queries are powerful tools for searching patent data. Most people are familiar with one kind of range query–the date range query. But there are many unexpected uses for range queries...
Patent searchers seem to be fairly opinionated about class searching. Some think it is essential, while others avoid it like the plague. I used to lean towards the “plague” side, on the theory...
