Abstract: A method includes associating an identifier with a plurality of business listings, receiving a first query, generating a second query based at least in part on the first query, the second query including at least one word included in the first query, and selecting a subset of business listings based at least in part on the second query. The method also includes providing the subset of business listings such that the subset of business listings is configured to be displayed in a ranked order. In such methods, the ranked order is based at least in part on respective levels of relatedness between the second query and listings included in the subset of business listings.

Abstract: Calls initiated from disconnected phone numbers and calls initiated to disconnected phone numbers can be indicative of robocalls. Disconnected phone numbers and phone numbers that have initiated calls to disconnected phone numbers are identified and assigned a robocall score that indicates a likelihood that a call initiated from that number is a robocall. Calls that are received from originating numbers with high robocall scores may be acoustically profiled for further confirmation of robocall detection using an acoustic profiler. An acoustic profiler identifies suspicious and potentially fraudulent phone calls by virtue of their audio characteristics.

Abstract: A method includes associating an identifier with a plurality of business listings, receiving a first query, generating a second query based at least in part on the first query, the second query including at least one word included in the first query, and selecting a subset of business listings based at least in part on the second query. The method also includes providing the subset of business listings such that the subset of business listings is configured to be displayed in a ranked order. In such methods, the ranked order is based at least in part on respective levels of relatedness between the second query and listings included in the subset of business listings.