In this paper we describe a new methodology for detecting data quality problems in high volume transaction streams called change detection using cubes of models or CDCM. We also describe how this system is deployed at Visa and two case studies that occurred during its first year of operation. ∗This work was supported in part by the Visa International Data Interoperability Program and the U.S. A...

We report two cases of daptomycin (DAP)-nonsusceptible (DNS) vancomycin-intermediate Staphylococcus aureus (VISA) vertebral osteomyelitis cases complicated by bacteremia treated with high-dose daptomycin and trimethoprim-sulfamethoxazole. Both patients responded rapidly and favorably to this combination. The clinical isolates from the two patients were tested post hoc in an in vitro pharmacokin...

We studied methicillin-resistant Staphylococcus aureus (MRSA) isolates to determine if the group II polymorphism at the accessory gene regulator (agr) locus demonstrated any relationship with the clinical efficacy of vancomycin. One hundred twenty-two MRSA isolates from 87 patients treated with vancomycin were evaluated. Forty-five of 87 patients had no clinical or bacteriological response to v...

Seventy-seven cases of disputed parentage were studied using the human leucocyte antigen system over a 14-year period in Hong Kong. Of these, 30 (39.0%) related to the amendment or verification of birth registration details, 20 (26.0%) were for divorce or affiliation proceedings, and 19 (24.7%) were related to overseas resident visa applications. An exclusion of parentage of at least one of the...

The increasing use of internetworking protocols to connect administratively heterogeneous networks has raised the question of how an organization can control the flow of information across its network boundaries. One method for doing so is the use of visas, a cryptographic technique for authenticating and authorizing a flow of datagrams. This paper presents and evaluates two visa protocols-one ...

To provide card holder authentication while they are conducting an electronic transaction using mobile devices, VISA and MasterCard independently proposed two electronic payment protocols: Visa 3D Secure and MasterCard Secure Code. The protocols use pre-registered passwords to provide card holder authentication and Secure Socket Layer/ Transport Layer Security (SSL/TLS) for data confidentiality...

The increasing use of internetworking protocols to connect administratively heterogeneous networks has raised the question of how an organization can control the ow of information across its network boundaries. One method for doing so is the use of visas, a cryptographic technique for authenticating and authorizing a ow of datagrams. This paper presents and evaluates two visa protocols-one that...

The VISA (Visible to Infrared SASE Amplifier) FEL is designed to obtain high gain at a radiation wavelength of 800nm. The FEL uses the high brightness electron beam of the Accelerator Test Facility (ATF), with energy of 72MeV. VISA uses a novel, 4 m long, strong focussing undulator with a gap of 6mm and a period of 1.8cm. To obtain large gain the beam and undulator axis have to be aligned to be...

As the core of option transaction, price changing with supply and demand in market is a variable which affects profit loss both trading sides directly. In 20th century, multitudinous econometric pricing models proposed lacked universal recognition until Black Scholes Merton model came out. This paper focuses on stocks options from Visa Inc. to do article consisting calibration, hedging using fu...