Abstract: A method of estimating a default rating of a rated dataset is provided, where the dataset comprises at least one series of ratings associated with at least one user and each series comprise ratings associated with at least two items. For a reference user and an item for which a rated value is missing the item's average rating, ir, the reference users average rating, Ru, and the datasets average rating, dr, is collected. A Poisson distribution of the reference users rating is then generated on the basis of the reference users average rating. A random Poisson rating, ur, is calculated on the basis of the Poisson distribution, and a default rating, r, is estimated by weighting the random Poisson rating on the basis of the items average rating, the users average rating and the datasets average rating.

Abstract: A technique for providing a service availability indication to a user terminal is described. In a method realization, the technique comprises providing a data structure representative of user terminals and of inter-terminal relationships derived from one or more communication parameters pertaining to communications between the user terminals. Additionally, for at least some of the user terminals service utilization information for each of a plurality of services is provided. The technique further includes selecting, for at least one user terminal and from the plurality of services, a service not used by the at least one user terminal, wherein the service selection is based on the service utilization information provided for user terminals having a predefined association with the at least one user terminal as determined by the inter-terminal relationships, and sending a message indicative of the selected service to the at least one user terminal.

Abstract: Embodiments for method and a system for an on online auction system involving a computer server is closed. Values representing a relationship between a seller and a plurality of bidders are determined based on social connections of the seller and social connections of the bidders. An auction method is selected based on the values representing a relationship between the seller and the bidders. The selected auction method is performed for the purpose of selling an item of the seller at a winning bid quoted by any of the bidders.

Abstract: A method and apparatus for offering a service to at least one client in a communication network for a specific client context, by means of a service provisioning unit. A history of client activities involving service usage in associated client contexts, is recorded in an activity database. Service templates are composed for associated client contexts based on the recorded history of client activities. When a context detector detects that the specific client context prevails, a service configurator selects a service template for the detected client context and configures a customised service from the selected service template. The customised service can then be offered to the at least one client.

Abstract: The present invention relates to a method and apparatus for requesting a transport policy for a bearer of a session in a communications system (100) A transport policy requesting node (500) according to the invention comprises an event handling mechanism (505) adapted to detect a triggering event triggering the selection of a transport policy for the bearer of a service; a transport policy selection mechanism (525) adapted to select a transport policy and transmit a policy request indicative of the transport policy to a policy decision function, and a context information handling mechanism (515, 520) adapted to receive information relating to a context relevant to the service. The context information can be used as a trigger for the selection of a transport policy, and/or as a basis for the selection of a transport policy.

Abstract: The invention comprises methods and arrangements for Policy Decision Point discovery in a roaming or handover scenario in an IP network (IN) comprising a plurality of network elements. The invention comprises methods and arrangement in an user equipment for receiving the address of the serving policy decision point and sending to the Home Agent a registration request comprising the local IP address of the user equipment so that the home agent can register the local IP address. The registration request will also comprise the address (ASPDP1) of the serving policy decision point (SPDP1) so that the Home Agent can forward the address of the serving policy decision point to the anchor Policy Decision Point and so that the anchor Policy Decision Point can contact the serving policy decision point by using said address of the serving Policy Decision Point.

Abstract: A method and apparatus for monitoring the behaviour of an individual communication client (200) in relation to the behaviour of a group of communication clients. A client database (202a) collects client data based on activities reflecting the individual client's behaviour, where the collected client data forms a resulting client behaviour profile (GP). A comparing unit (202b) compares the collected client data with a behaviour profile (GP) of the client group reflecting the behaviour of the client group. An alert generator (202c) then issues an alerting signal (A) if an unacceptable behavioural deviation between the individual client and the client group is detected.

Abstract: The invention comprises methods and arrangements for Policy Decision Point discovery in a roaming or handover scenario in an IP network (IN) comprising a plurality of network elements. The invention introduces a Re-direct Policy Decision (RPDF) Function which can deliver addresses to PDPs associated to a certain Mobile Terminal. The RPDF comprises a memory for storing addresses (APDPA, SPDPA1) of Policy Decision Points and Mobile Terminals. The RPDF makes it possible for a network element, e.g. an application function, a policy enforcement point or another policy decision point, to find a Policy Decision Point associated to the Mobile Terminal.

Abstract: A method and apparatus for performing a caller investigation in order to provide relation information to a called party (200) regarding an unknown calling party (202), when implemented in a service entity (204) serving said called party. A relation query for the calling party is received from the called party, and it is then determined whether the calling party is known and related to any third party directly or indirectly known to the called party by checking a contact list (210-214) defined for said third party. The reliability of the calling party can then be better assessed based on how the calling party is related to the called party, if related at all. The called party may use this information for deciding how to respond to a communication request from said calling party.

Abstract: A method and apparatus for enabling user services in a communication network with a plurality of terminal users. An initiating user terminal (200) executes a group discovery process with the terminals (202) to form a user group. Capabilities are exchanged with the terminals, including at least one of: functional resources, available services, equipment information, applications or data programs, and current traffic or connection characteristics When a group service request (R) is received from a user terminal (D) in the group, functions and actions required for the requested service are assigned to functional resources in the terminals based on the exchanged terminal capabilities. The requested group service can then be consumed by means of these functional resources without involving an operator controlled group management server.