International Business Machines Corporation

Manish P Kurhekar

Biplav Srivastava

Ashish Kundu

Rajkishore Barik

Amit Anil Nanavati

Pradeep Varma

Methods, apparatuses and computer programs for making information relating to web services available to applications hosted by a client platform and/or using such information to invoke web services for use by an application hosted by a client platform are disclosed. The information is preferably obtained from a local repository or otherwise from a remote repository via the internet. The information may relate to web services previously used by the applications such as particular invocation instances of those web services. The information may comprise statistical Quality of Service (QoS) information relating to particular invocation instances of web services.

Method and apparatus for accessing web services

The adaptation precedence of an application (or order of adaptation of various components) is given as a directed acyclic graph (DAG), with each vertex being an atomic unit of adaptation, or a component which comprises of atomic units of adaptation. Each such component has an associated DAG specifying the order of adaptation with vertices as sub-components. Relations among sub-components and associated actions are stored as a table. The relations between sub-components of different components follow a set of constraints in order to be compatible relations. A linear order from the partial order is created as represented by the DAG and follows that order for adaptation of each component. Each component x is adapted atomically and then the table of relations is updated appropriately. As and when a component y is to be adapted, the table is looked-up and it is determined which relations and actions are to be enforced upon y while its adaptation is being executed. A new version of the application is the output at the end of the adaptation, which is semantically consistent with the given relations and actions.

Semantically consistent adaptation of software applications

Methods, compiler apparatus and a computer program product for compiling UPC source code are disclosed. UPC-unique constructs are converted into C-level form. The C-level constructs are inserted into the source code to form a combined code. The combined code is translated into an intermediate form, wherein any surviving UPC-unique components are discarded. All UPC-unique data or statements are converted to a form that can be handled by general compiler architectures, yet retain UPC properties. The resultant intermediate form is converted to compiled machine code. The generation of C-level constructs occurs at a compiler front end module, avoiding difficulties in intermediate code handling.

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Nagpur, India

Manish P Kurhekar