International Business Machines Corporation

Joachim Rese

Thomas Hermann Gnech

Petra Sabine Buehrer

Holger Johannes Scheller

Regina Illner

Namik Hrle

Sabine U Jaeschke

Georg K Mayer

Ilke Tiebs

Jochen Roehrig

An aggregate is generated. Upon receiving a second query comprising a filter criterion, a determination is made as to whether at least a threshold number of previous first queries comprises a similar filter criterion, and if so generating an aggregate using the similar filter criterion as an aggregation criterion, such that future queries comprising the similar filter criterion are satisfied by the aggregate.

Demand-driven dynamic aggregate

A capability for updating a cache. The capability includes identifying, in a query instance that has led to a filling of the cache, a parameter whose values are monotonic&#x2014;in particular monotonically increasing or decreasing&#x2014;over time, wherein the query instance has a first execution time. When generating a new query instance, at a second, later execution time instead of the previous value of the parameter, a new value may be used that corresponds to the monotonic previous value at the second execution time. The new query instance is executed, wherein the cache is updated with the results of the new query instance.

Advanced result cache refill

A computer-implemented method includes receiving a request to multicast a message, wherein the request includes the message and a restriction bundle. The computer-implemented method further includes generating a distribution list for a first set of devices in a plurality of registered devices based, at least in part, on an overlap between a registered range of a device and a multicast range included in the restriction bundle. The computer-implemented method further includes determining a first subset of devices from the first set of devices based, at least in part, on a set of registered property values associated with each device meeting the criteria of each restriction in the restriction bundle. The computer-implemented method further includes multicasting the message to the first subset of devices. A corresponding computer system and computer program product are also disclosed.

Customized multicasting

Cloning a source system to a target system of a multiple system landscape. A depot is created in an archive by the source system. The depot is assigned a creator ID identifying the source system. One or more data packages are offloaded from the source system to the depot. For each of the data packages, a record is written to an internal control structure of the source system with a package ID and a depot ID. The source system is cloned to the target system. The target system in the form of a physical replicate of the source system is provided with read-access to the archive, which is restricted to data packages for which the cloned internal control structure includes records with data package IDs identifying the data packages and depot IDs identifying the depots including the data packages.

Cloning of a system

Predicting future utilization of a resource. The predicting future utilization of a resource may include receiving inquiries for a potential future utilization of the resource for different future points in time, recording time-based patterns of the received inquiries, recording a historic actual utilization value of the resource, and determining a future utilization of the resource using the recorded time-based patterns of the received inquiries, the recorded historic actual utilization value of the resource and a current inquiry pattern of the resource.

Inquiry-based adaptive prediction

A cross system secure logon in a target system by using a first authentication system and a second authentication system. A correct password may be valid on the first authentication system and the second authentication system. An aspect includes receiving an input password, generating a first hash key by using the first authentication system, and/or generating a second hash key by using the second authentication system, wherein each authentication system uses a system unique non-collision free hash algorithm. Further, in one aspect, comparing the first hash key with a first predefined hash key of the correct password stored in the first authentication system, and/or comparing the second hash key with a second predefined hash key of the correct password stored in the second authentication system. Furthermore, granting access to the target system based on at least one of the comparisons.

Cross system secure logon

A method is provided for automatically displaying context information to an information fragment with no user interaction. The method includes: displaying the fragment in a first window, wherein the window and fragment each relate to a source process; pointing with a cursor to a part of the fragment displayed in the first window; generating an event object comprising coordinates of the cursor and part of the information fragment; broadcasting the event object to the source process, wherein the only information exchange between the target process and the source process is based on the event object; interpreting the event object by the target process and generating a response by the target process; and displaying the response of the target process in a second window, wherein the second window is related to the coordinates of the cursor.

Method for management and broadcasting an event context

A computer implemented method and system is provided for managing emails within an email system or email box. At the creation of a new email at the email system, an identification of its content (CID) is calculated, the result of that calculation being stored in a header of that email to be forwarded together with the new email. It is checked at the email system when receiving an email to determine whether the email includes a CID identifying the content of that email. If this is not the case, then a CID of the content of the received email is calculated, the resulting CID being stored in the header of that email together with the email. A comparison between the received email and the already stored emails at the email system is performed by comparing the corresponding CID of the received email with the CID of the stored emails. The email system is reorganized by superseding duplicate emails having the same CID.

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Hockenheim, Germany

Joachim Rese