Complex service network ranking and clustering
First Claim
1. A method comprising:
- carrying out offline functionality-based co-ranking and clustering on a knowledge base, said knowledge base characterizing a heterogeneous information technology services network comprising a plurality of services, a plurality of providers, and a plurality of attributes;
storing results of said functionality-based co-ranking and clustering as annotations of said services and said providers in said knowledge base, to obtain an annotated knowledge base;
obtaining a service requirement from a customer requiring information technology services;
querying said annotated knowledge base, based on said service requirement; and
returning to said customer an ordered list of at least given ones of said services, based on said querying, wherein said step of carrying out offline functionality-based co-ranking and clustering on said knowledge base comprises;
calculating an initial service clustering for said heterogeneous information technology services network;
classifying said providers into a plurality of service clusters;
within each of said service clusters, ranking each of said providers;
integrating ranking and clustering distances between said providers into a uniform provider distance to obtain updated provider similarity;
classifying said services into a plurality of provider clusters;
within each of said provider clusters, ranking each of said services; and
integrating ranking and clustering distances between said services into a uniform service distance to obtain updated service similarity.
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Abstract
Offline functionality-based co-ranking and clustering is carried out on a knowledge base that characterizes a heterogeneous information technology services network including a plurality of services, a plurality of providers, and a plurality of attributes. Results of the functionality-based co-ranking and clustering are stored as annotations of the services and the providers in the knowledge base, to obtain an annotated knowledge base. A service requirement is obtained from a customer requiring information technology services. The annotated knowledge base is queried, based on the service requirement; and an ordered list of at least given ones of the services, based on the querying, is returned to the customer.
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Citations
14 Claims
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1. A method comprising:
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carrying out offline functionality-based co-ranking and clustering on a knowledge base, said knowledge base characterizing a heterogeneous information technology services network comprising a plurality of services, a plurality of providers, and a plurality of attributes; storing results of said functionality-based co-ranking and clustering as annotations of said services and said providers in said knowledge base, to obtain an annotated knowledge base; obtaining a service requirement from a customer requiring information technology services; querying said annotated knowledge base, based on said service requirement; and returning to said customer an ordered list of at least given ones of said services, based on said querying, wherein said step of carrying out offline functionality-based co-ranking and clustering on said knowledge base comprises; calculating an initial service clustering for said heterogeneous information technology services network; classifying said providers into a plurality of service clusters; within each of said service clusters, ranking each of said providers; integrating ranking and clustering distances between said providers into a uniform provider distance to obtain updated provider similarity; classifying said services into a plurality of provider clusters; within each of said provider clusters, ranking each of said services; and integrating ranking and clustering distances between said services into a uniform service distance to obtain updated service similarity. - View Dependent Claims (2, 3, 4, 5)
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6. A computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions being executable by a processor to cause the processor to:
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carry out offline functionality-based co-ranking and clustering on a knowledge base, said knowledge base characterizing a heterogeneous information technology services network comprising a plurality of services, a plurality of providers, and a plurality of attributes; store results of said functionality-based co-ranking and clustering as annotations of said services and said providers in said knowledge base, to obtain an annotated knowledge base; obtain a service requirement from a customer requiring information technology services; query said annotated knowledge base, based on said service requirement; and return to said customer an ordered list of at least given ones of said services, based on said querying, wherein said program instructions executable by said processor to cause the processor to carry out offline functionality-based co-ranking and clustering on said knowledge base comprise program instructions executable by said processor to cause the processor to; calculate an initial service clustering for said heterogeneous information technology services network; classify said providers into a plurality of service clusters; within each of said service clusters, rank each of said providers; integrate ranking and clustering distances between said providers into a uniform provider distance to obtain updated provider similarity; classify said services into a plurality of provider clusters; within each of said provider clusters, rank each of said services; and integrate ranking and clustering distances between said services into a uniform service distance to obtain updated service similarity. - View Dependent Claims (7, 8, 9)
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10. An apparatus comprising:
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a memory; and at least one processor, coupled to said memory, and operative to; carry out offline functionality-based co-ranking and clustering on a knowledge base, said knowledge base characterizing a heterogeneous information technology services network comprising a plurality of services, a plurality of providers, and a plurality of attributes; store results of said functionality-based co-ranking and clustering as annotations of said services and said providers in said knowledge base, to obtain an annotated knowledge base; obtain a service requirement from a customer requiring information technology services; query said annotated knowledge base, based on said service requirement; and return to said customer an ordered list of at least given ones of said services, based on said querying, wherein said at least one processor is operative to carry out said offline functionality-based co-ranking and clustering on said knowledge base by; calculating an initial service clustering for said heterogeneous information technology services network; classifying said providers into a plurality of service clusters; within each of said service clusters, ranking each of said providers; integrating ranking and clustering distances between said providers into a uniform provider distance to obtain updated provider similarity; classifying said services into a plurality of provider clusters; within each of said provider clusters, ranking each of said services; and integrating ranking and clustering distances between said services into a uniform service distance to obtain updated service similarity. - View Dependent Claims (11, 12, 13, 14)
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Specification