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DECOPA is available as standalone software for business intranet use, or for online access through the DECOPAnet site. There are four login modes to DECOPAnet: QuickSearch, Beginner, Advanced beginner, and Expert. Guests can use the QuickSearch and Beginner elements of DECOPAnet for free with a guest login.
QuickSearch allows users to conduct searches using traditional Boolean keyword searching or the system's latent semantic analysis tool, referred to as "IP Analysis." Further information on these two types of search can be found in the sections below. Additionally, users can select which "IP Server" to use for viewing full patent document records since DECOPA only shows a hit list of results with the title of the patent document. The "IP Server" choices include esp@cenet, the USPTO website, or Delphion.
Beginner, Advanced beginner, and Expert modes each give the user a different interface that allows for additional options when choosing a latent semantic analysis type. One example of this is the use of the term "Iceberg Analysis" in addition to the more commonly practiced and named "Freedom to Operate" analysis. The more advanced interfaces offer detailed filters for crafting a query, and graphical displays including heat maps and document trees.
Coverage within DECOPA was last publicly reported as the following:
The IPCentury service does not provide any information about how the latent semantic analysis search approach changes as the various options ("Iceberg," "Freedom to Operate," etc.) are selected; users must rely on the search algorithms as "black boxes" which generate the search results. Coverage may now be partially based on INPADOC coverage, since esp@cenet can be used to display individual results.