Patent ID: 9275145
Filing Date: 2016-03-01
CPC Classification: G06F

Claim Text:
1. An electronic information retrieval system comprising: a plurality of collection-hosting computer systems, each operable to provide information from a specific stored collection of hyperlinked documents, a global search engine computer, a user's computer having a user input device and a display, said information retrieval system further comprising a network interconnecting said search engine computer, said one or more collection-hosting computer systems and said user's computer; each of said computers and computer systems including software allowing data transfer between said computers; wherein each of said plurality of collection-hosting computer systems is arranged in operation to generate a category index indicating associations between keywords and/or key phrases, and category-heading documents in said collection; said search engine computer is arranged in operation to: i) receive said category index from each of said plurality of collection-hosting computer systems; ii) receive a search query from said user's computer and to select one or more globally-selected documents found to be relevant to the query; iii) identify the document collection to which said globally-selected document belongs; iv) identify one or more relevant category-heading documents within the relevant collection in dependence on words or phrases in said query and the category index associated with said collection; v) send to said user's computer a search result including a hyperlink to said globally-selected document along with one or more hyperlinks to said relevant category-heading documents; and said user's computer is arranged in operation to: i) allow said user to enter said search query using said input device to seek relevant documents from said plural collections of documents; and ii) display said search result on the user's computer's display.