This paper describes a methodology for the application of hierarchical clustering methods to the task of outlier detection. The methodology is tested on the problem of cleaning Official Statistics data. The goal is to detect erroneous foreign trade transactions in data collected by the Portuguese Institute of Statistics (INE). These transactions are a minority, but still they have an important ...

Day by day, wireless networking technology and mobile computing devices are becoming more popular for their mobility as well as great functionality. Now it is an extremely growing demand to process mobile transactions in mobile databases that allow mobile users to access and operate data anytime and anywhere, irrespective of their physical positions. Information is shared among multiple clients...

As it lacks central management in Peer-to-Peer (P2P) e-commerce environments, prior to new transactions with an unknown peer, the trust evaluation is critical, which relies on the transaction history data. Traditionally the evaluation process is based on other peers’ recommendations neglecting transaction amounts. This may lead to the bias in the transaction trust evaluation and risk the new tr...

This paper describes a methodology for the application of hierarchical clustering methods to the task of outlier detection. The methodology is tested on the problem of cleaning Official Statistics data. The goal is to detect erroneous foreign trade transactions in data collected by the Portuguese Institute of Statistics (INE). These transactions are a minority, but still they have an important ...

Bitcoin is a peer-to-peer electronic cash system that maintains a public ledger with all transactions. The public availability of this information has implications for the privacy of the users. The public ledger consists of transactions that transfer funds from a set of inputs to a set of outputs. Both inputs and outputs are linked to Bitcoin addresses. In principle, the addresses are pseudonym...

Development of e-banking has empirically modified the structure and characters of banks’ performance, efficiency, risk and challenges which have also been articulately recognized based on the international best practices. E-banking brazenly accelerates and restructures financial transactions via enhancing technology and expanding the banking services in comparison with conventional banking. Acc...

BI-RTGS is transferring funds with an essential function in the payment system and third-party as a factor to meet current account balance which condition for transactions. Bank financing considered be able affect number of This research used 14 Islamic commercial banks registered participants. The results show that Commercial Third Party Funds have partial effect on nominal amount Financing ha...