Non-standard database systems supporting complex engineering applications are prime candidates for the exploitation of inherent parallelism in order to reduce the response time for user requests. Nested transactions are proposed as a control structure to achieve medium or even small grain parallelism. This paper investigates the design concepts and describes an implementation of the transaction...

Metadata manipulation attacks represent a new threat class directed against Version Control Systems, such as the popular Git. This type of attack provides inconsistent views of a repository state to different developers, and deceives them into performing unintended operations with often negative consequences. These include omitting security patches, merging untested code into a production branc...

An asset manager invests the savings of some investors in a portfolio of defaultable bonds. The manager pays the investors coupons at a constant rate and receives management fee proportional to the value of portfolio. She also has the right to walk out of the contract at any time with the net terminal value of the portfolio after the payment of investors’ initial funds, but is not responsible f...

We examine the problem of setting optimal incentives to a portfolio manager (to be employed by an investor through a contract) making an ambiguity-robust portfolio choice with respect to estimation errors in expected returns. We consider a one-period model with a set of risky assets (with multivariate normal returns) whose expected returns are estimated with uncertainty and a linear sharing rul...

Stewardship is not a new concept for public policy, but has not been used to its optimum by the health policy-makers. Although it is being practiced in most successful models of health system, but the onus to this function is still due till date. Lately, few experts in World Health Organization (WHO) have realized its importance and have been raising the issue at different platforms to pursue t...

Rapid developments in sensor technology and its applications have energized research efforts towards devising a firm theoretical foundation for sensor management. Ubiquitous sensing, wide bandwidth communications and distributed processing provide both opportunities and challenges for sensor and process control and optimization. Traditional optimization techniques do not have the ability to sim...

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