After laying out a formal foundation for expressing windowed queries, we investigate update patterns observed in most common window variants as well as their impact on adaptations of typical operators (like windowed join, union or aggregation), thus offering more insight towards design and implementation of stream processing mechanisms.
David Schatsky, an analyst with Jupiter Communications, explained: "It's all about aggregation online -- offering the most goods to sell and most consumers to buy them.
In this paper, we investigated the effects of response delays and lockout constraints on the controllability of an aggregation of REFs offering PFC.
In this paper we study how response delays and lockout constraints affect the controllability of an aggregation of refrigerators offering primary frequency control (PFC).
She also argued that a European credit rating agency, which has been proposed, could operate by offering an aggregation of the ratings offered by smaller agencies — thereby offering an alternative to the big three of Moody's, Standard & Poor's and Fitch.
"In a world of fragmentation, we are offering you aggregation," she said.
These firms are reacting to the Internet-based businesses that are offering account aggregation with the hope of serving as a financial home page for consumers.
Ameritrade Holdings, which operates a popular online brokerage, has been offering account aggregation at its Onmoney.com site on the Web, and earlier this month, America Online announced an alliance with Yodlee to provide a similar service for AOL's 22 million subscribers.
It doesn't help that giants Bank of America and Quicken separately have started offering online aggregation and budgeting, as have upstarts Wesabe and Geezeo (see table).
HYPK is of great interest due to its prior association with Huntington's disease, where it appears to play a protective role (Arnesen et al., 2010), whereas SERF2 is predicted to promote aggregation, like CRAM-1, offering a better target for intervention.
The authors develop an agenda for future research based on this cross-disciplinary literature aggregation by highlighting current gaps and offering potential research questions.
