1. A focused crawler system comprising: a user interface module, implemented by a first one or more processors, configured to, in response to user input: (i) from an initial web page including a plurality of interactive elements for providing a transition from the initial web page to a target web page with a user input, identify a group of similar ones of the plurality of interactive elements corresponding to target web pages, respectively, the target web pages having information displayed in the same location on all of the target web pages, wherein the information displayed in the same location on all of the target web pages includes an interactive element selected by the user input among the plurality of interactive elements of the initial web page, and wherein each of the plurality of interactive elements in the initial web page includes a link for transitioning to each of the plurality of target web pages, and wherein the user input includes a click input, by an input means, for the at least one of the plurality of interactive elements; and (ii) generate a set of transitions, wherein the set of transitions defines respective paths to the target web pages from the initial web page, and wherein each transition of the set of transitions is generated based on one or more user interactions with one or more interactive elements to navigate from (a) the initial web page to (b) one of the target web pages; a navigation instruction generation module, implemented by a second one or more processors, configured to generate navigation instructions based on the target web pages and the set of transitions; a focused crawler module, implemented by a third one or more processors, configured to navigate to each of the target web pages from the initial web page by following the navigation instructions; and a scraper module, implemented by a fourth one or more processors, configured to copy information from each of the target web pages in response to the focused crawler module navigating to the respective target web pages.