User profiles for Roger Clarke

Roger Clarke

Xamax Consultancy, Computer Science, Australian National University, UNSW Law
Verified email at xamax.com.au
Cited by 12444

Information technology and dataveillance

R Clarke - Communications of the ACM, 1988 - dl.acm.org
Clarke. RA lust another piece of plastic for your wallet: The Australia card scheme.
Prometheus 5. … and Clarke, RA Database retrieval technology and subject access …

[PDF][PDF] Minimum-variance portfolios in the US equity market

R Clarke, H De Silva, S Thorley - Journal of Portfolio Management, 2006 - Citeseer
At the beginning of each month from January 1968 through December 2005 (456 months),
we estimate a covariance matrix for the 1,000 largest market capitalization US stocks with 60 …

The association between unsystematic security returns and the magnitude of earnings forecast errors

WH Beaver, R Clarke, WF Wright - Journal of accounting research, 1979 - JSTOR
Previous research has examined the association between the sign of the earnings forecast
errors and unsystematic security returns. Here, we present preliminary findings regarding this …

Internet privacy concerns confirm the case for intervention

R Clarke - Communications of the ACM, 1999 - dl.acm.org
COMMUNICATIONS OF THE ACM February 1999/Vol. 42, No. 2 61 them by public and
private sector organizations. Profile data can be combined with sender-driven technologies, to …

Human Identification in Information Systems: Management Challenges andPublic Policy Issues

R Clarke - Information Technology & People, 1994 - emerald.com
Many information systems involve data about people. In order reliably toassociate data with
particular individuals, it is necessary that aneffective and efficient identification scheme be …

The digital persona and its application to data surveillance

R Clarke - The information society, 1994 - Taylor & Francis
… like "Roger Clarke." Other aspects of the profile of people on the net are based on the
promptness, frequency, and nature of their contributions, and the style in which they are written. …

Market structure and price-cost margins

R Clarke, SW Davies - Economica, 1982 - JSTOR
In a paper that has become a standard reference in the structure-conductperformance approach
to industrial economics, Cowling and Waterson (1976) developed a theoretical rationale …

Portfolio constraints and the fundamental law of active management

R Clarke, H De Silva, S Thorley - Financial Analysts Journal, 2002 - Taylor & Francis
Active portfolio management is typically conducted within constraints that do not allow managers
to fully exploit their ability to forecast returns. Constraints on short positions and turnover…

Understanding the drone epidemic

R Clarke - Computer Law & Security Review, 2014 - Elsevier
Drones are aircraft that have no onboard, human pilot. Through the twentieth century, piloted
aircraft made far greater progress than drones. During the twenty-first century, on the other …

Privacy and consumer risks in cloud computing

D Svantesson, R Clarke - Computer law & security review, 2010 - Elsevier
While vaguely defined, and wide in scope, so-called ‘cloud computing’ has gained considerable
attention in recent times. Put simply, it refers to an arrangement under which a user …