We adopt the perspective of an aggregator, which seeks to coordinate its purchase of demand reductions from a fixed group of residential electricity customers, with its sale of the aggregate demand reduction in a two-settlement wholesale energy market. The aggregator procures reductions in demand by offering its customers a uniform price for reductions in consumption relative to their predeterm...

We have developed a dashboard application called “SocConnect” for integrating social data from different social networking sites (e.g. Facebook, Twitter), which allows users to create personalized social and semantic contexts for their social data. Users can blend their friends across different social networking sites and group them in different ways. They can also rate friends and/or their act...

this paper proposes a novel decision making framework for an electricity retailer to procure its electric demand in a bilateral-pool market in presence of charging and discharging of electric vehicles (evs). the operational framework is a two-stage programming model in which at the first stage, the retailer and ev aggregator do their medium-term planning. determination of retailer's optimum sel...

Trust is an essential ingredient for commercial success on the Web. “Shopping aggregator” websites such as eBay provide a mechanism for measuring trust in the vendor in the form of online shoppers' positive feedback ratings. This real-world experiment conducted on eBay demonstrates that although coupled with a very high trust rating, the inclusion of an explicitly sexual illustration in shoppin...

Energy consumption and security has become a primary concern in a Wireless Sensor Network. In multi-hop communications, nodes that are near a sink tend to become congested as they are responsible for forwarding data from nodes that are farther away. Thus, the closer a sensor node is to a sink, the faster its battery runs out, whereas those farther away may maintain more energy. This leads to no...

In RSS aggregator, the important issue is how to make the feeds information more manageable for RSS subscriber. In this paper, we propose a suffix tree based RSS feeds document clustering in Chinese RSS aggregator. We construct a suffix tree with meaningful Chinese words, and choose the phrases with high score given by a formula as document features. We cluster document using group-average algo...

We describe and contrast different market mechanisms to incentivize residential electricity customers to perform demand response (DR) via load shifting of schedulable assets. A customer-incentive pricing (CIP) mechanism from our past research is discussed, and compared to flat-rate, time-of-use (TOU), and real-time pricing (RTP). The comparison is made using a for-profit aggregator-based reside...

Data aggregation is commonly used method to reduce communication overhead in wireless sensor networks by combining data received from different sensors and by removing redundancies. The intermediate nodes perform data aggregation task called aggregator nodes. In open and hostile environment aggregator nodes are target for attackers to falsify the aggregation result, and base station accepting i...

In wireless sensor network, in-network data aggregation can eliminate redundancy, improve data accuracy and thus prolong the lifetime of network. However, most of data aggregation technologies assumed that the aggregator node has been receiving all the data when it performers the aggregation operation, these methods give larger latency to the transmission of network's data and affect the accura...