John Stokes

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We address the development of a normalization theory for object-oriented data models that have common features to support objects. We first provide an extension of functional dependencies to cope with the richer semantics of relationships between objects, called <italic>path dependency, local dependency,</italic> and <italic>global dependency</italic>(More)
This paper addresses the problem of recovering object-oriented schemata from relational databases. Solutions to this problem are particularly useful for designing wrappers for federated database systems. Our goal here is to describe a reverse engineering methodology for the DOK federated database system Tari et al. 1996, enabling the wrappers to express(More)
The Continuous Performance Test has been used for the last 40 years to measure sustained attention or vigilance in many different populations. Different versions of the test have been developed, but little is known about how similar these tests are, and to what extent performance on different versions of these tests overlaps. In order to examine convergence(More)
This study explored the associations between response-bias features, parenting stress, and parent-child discrepancies in self-report and parent ratings of psychopathology in a sample of 153 preadolescents from an inpatient psychiatric setting. Correlational and multiple regression analyses utilized combinations of dissimulation (FB) and defensiveness (DEF)(More)
We explored the validity of the Psychopathology Five (PSY-5) facet scales of the adolescent version of the Minnesota Multiphasic Personality Inventory (MMPI-A; Butcher et al., 1992) in an adolescent inpatient psychiatric sample (N = 662) through a series of correlational analyses with self-report measures, therapist ratings, and chart review variables.(More)
BACKGROUND Anterior cervical discectomy and fusion (ACDF) is the gold standard for treating symptomatic cervical disc degeneration. Cervical total disc replacements (TDRs) have emerged as an alternative for some patients. The purpose of this study was to evaluate the safety and effectiveness of a new TDR device compared with ACDF for treating single-level(More)
Streptococcus pneumoniae is the most common bacterial etiology of pneumococcal pneumonia in adults worldwide. Genomic plasticity, antibiotic resistance and extreme capsular antigenic variation complicates the design of effective therapeutic strategies. Polyamines are ubiquitous small cationic molecules necessary for full expression of pneumococcal(More)
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