Titlebook: New Frontiers in Information and Software as Services; Service and Applicat Divyakant Agrawal,K. Selçuk Candan,Wen-Syan Li Conference proce

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Enabling Migration of Enterprise Applications in SaaS via Progressive Schema Evolutionrs are trained and shifted from one existed version to another new version successively. There is a long period of time when both versions of applications co-exist. Maintenance of two systems with both existed and new version at the same time is not a cost efficient option and such two systems may s

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Towards Analytics-as-a-Service Using an In-Memory Column Database expensive to implement and run such systems. Given this situation, the SaaS model comes in handy, since these companies might opt to run their OLAP as a service. The challenge is then for the analytics service provider to minimize TCO by consolidating as many tenants onto as few servers as possible

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Conference proceedings 2011arty service providers renting networks, computation power, storage, and even entire software application suites. On the other hand, service customers demand competitive pricing, service level agreements, and increased flexibility and scalability. Service consumers also expect process and data secur

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Design Patterns for Cloud Serviceshe differentiated value (feature) creation. This chapter will review the challenges for cloud services and some of the emerging solutions to address those challenges, based on our experience in building cloud service platforms as well as the industry best practices.

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Adaptive Parallelization of Queries Calling Dependent Data Providing Web Services parallel plan locally in each query process until an optimized performance is achieved. The query execution time obtained with AFF_APPLYP is shown to be close to the best process tree obtained with FF_APPLYP.

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Multi-query Evaluation over Compressed XML Data in DaaSn the queries. The containment relationships are exploited by a global data structure, the Structural-Query-Index Tree (SQIT), which supports prefix sharing among the submitted queries. The experimental results demonstrate that the proposed approach obtains higher query processing efficiency than traditional ones.

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At the Frontiers of Information and Software as Serviceso this trend. Scientific Grid computing, on-line software services, and business service networks are typical examples leveraging database and software as service paradigm. In this paper, we survey the technologies used to enable SaaS paradigm as well as the current offerings on the market. We also outline research directions in the field.

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The HiBench Benchmark Suite: Characterization of the MapReduce-Based Data Analysismework using HiBench, in terms of speed (i.e., job running time), throughput (i.e., the number of tasks completed per minute), HDFS bandwidth, system resource (e.g., CPU, memory and I/O) utilizations, and data access patterns.