This work studies the interaction of Web proxy cache coherency and replacement policies using trace-driven simulations. We speciically examine the relative importance of each type of policy in aaecting the overall costs, the potential of incorporating coherency issues in cache replacement and the inclusion of additional factors such as frequency of resource use in replacement and coherency poli...

This work studies the interaction of Web proxy cache coherency and replacement policies using trace-driven simulations. We specifically examine the relative importance of each type of policy in affecting the overall costs, the potential of incorporating coherency issues in cache replacement and the inclusion of additional factors such as frequency of resource use in replacement and coherency po...

Applications in finance and telecommunications (intelligent network, network management, mobile computing) cause renewed interest in distributed and replicated data management. Since synchronous update of replicated data is experienced to degrade distributed systems performance substantially, relaxing the requirement of coherency (mutual consistency) has become a favorable approach to achieve h...

For the random variables Y,X1, . . . , Xp, where Y is binary, let M(x1, . . . , xp) = P (Y = 1|(X1, . . . Xp) = (x1, . . . xp)). The paper compares four smoothers aimed at estimating M(x1, . . . , xp), three of which can be used when p > 1. Evidently there are no published comparisons of smoothers when p > 1 and Y is binary. And there are no published results on how the four estimators, conside...

It is well known that some XML elements correspond to objects (in the sense of object-orientation) and others do not. The question we consider in this paper is what benefits we can derive from paying attention to such object semantics, particularly for the problem of keyword queries. Keyword queries against XML data have been studied extensively in recent years, with several lowest-common-ances...

Why this method is Important The Coherency Architect should consider the case study method an important tool since the Architect has to investigate the organization or organizations they work with to investigate and uncover problems that needs to be solved before the organization can continue with it plans to achieve its goals. The Case Study Method gives the Coherency Architect tools which can...

fractions obtained from partitioning of aerial methanolic extract of euphorbia aellenii with chloroform (e2), ethyl acetate (e3), n-butanol (e4) and water (e5) were investigated in vitro for their phytotoxicity, insecticidal, anti-leishmanial, cytotoxicity, antibacterial and antifungal activities. sample e2 appeared to have significant phytotoxic activity. in the insecticidal screening study on...