Learn More
Sequential pattern mining is an important data mining task with broad applications. However, conventional methods may meet inherent difficulties in mining databases with long sequences and noise. They may generate a huge number of short and trivial patterns but fail to find interesting patterns approximately shared by many sequences. To attack these(More)
1. Introduction Classical exploratory data analysis methods in statistics and many of the earlier KDD methods tend to focus only on basic data types, (interval or categorical data) as the unit of analysis. However, some information cannot be interpreted unless the data is treated as a unit. For example, viewing the data as sequences of sets can reveal(More)
New technology in knowledge discovery and data mining (KDD) make it possible to extract valuable information from operational data. Private businesses already use the technology for better management, planning, and marketing. Social welfare government agencies have a wealth of information about the experiences of families and individuals that are the most(More)
The purpose of the Work First project is to assist the state Dept. of Health and Human Services (DHHS) staff and each county Dept. of Social Services (DSS) across the state in the management of welfare reform initiatives. Work First is the cash assistance program in NC. One important objective is to encourage and support program managers to use data on(More)
In DGO 2003, we first introduced the long-standing Work First 1 project that is inter-disciplinary between social work and computer science at the University of North Carolina at Chapel Hill (UNC-CH) with the collaboration of the North Carolina Department of Health and Human Services (NC DHHS). Based on the success in our Work First project, the NC DHHS and(More)
In North Carolina, welfare programs are state supervised and county administered. To properly manage welfare programs in such an environment, efficient timely communication of a comprehensive set of data analysis customized to each county is required between the state and the 100 counties in North Carolina. Consequently a dynamic website that tracks the(More)
  • 1