Abstract: Methods and systems to rate an originator of an online publication are provided. An example may include tracking user inputs associated with multiple online publications. Some examples may include using the tracked user inputs to calculate a publication rating for each of the online publications. In one example, the publication ratings may be used to calculate an originator rating, which may be provided for display and rates the originator.

Abstract: A system and method for providing automatic advertising and category distribution for online computer users is disclosed. A particular embodiment includes obtaining a listing for posting in a plurality of regions; generating a unique global ad identifier for the listing; processing the listing according to a set of pre-defined rules related to posting a listing in the plurality of regions, the processed listing being modified to produce a first version of the listing for posting in a first region and a different second version of the listing for posting in a second region; associating the global ad identifier with the first and second versions of the listing; and making the first version of the listing available for viewing by a first user in the first region and making the different second version of the listing available for viewing by a second user in the second region.

Abstract: In one embodiment, establishment of transactions between a plurality of buyers and a plurality of sellers is supported in a network-based marketplace. As part of an invoice generation process, multiple transactions to which a first user of the network-based marketplace is a party are identified. Further, one or more subsets of these transactions that satisfy combinable criteria are identified, and an invoice is generated for at least one of the identified subsets of transactions.

Abstract: A method and system for opportunity distribution. Respective first and second groups of users are identified. An opportunity is provided to the first group of users. A trigger event is detected. The opportunity is selectively provided to the second group of users based on the detection of the trigger event.