Can We Just Rely on Contrast?

Can we Rely on SQL?

It is important for any data language that it enables many people to derive correct information from a databases in a simple, effective way with predictable performance. In an analysis is shown that SQL cannot fulfill these essential preconditions. It is caused by insufficient structural semantics of the relational model and the related operations in SQL. This follows from a comparison with res...

Can we rely on suicide mortality data?

Can we rely on retrospective pain assessments?

The objective of this paper was to study whether subjects in a workplace setting are able to assess the intensity of musculoskeletal pain retrospectively for a period of 3 months. The intensity of average pain and maximum pain in eight anatomic regions was assessed on a numeric rating scale. The results of 12 consecutive weekly pain recordings were compared with a final retrospective assessment...

Periocular keratoacanthoma: can we always rely on the clinical diagnosis?

AIM To present a series of patients with a clinical diagnosis of periocular keratoacanthoma and assess the incidence of histologically proven invasive squamous cell carcinoma (SCC). METHODS This retrospective case series included all patients with periocular tumours seen in the authors' unit between 1996 and 2004, and who were initially diagnosed with keratoacanthoma based on the clinical pre...

Can We Rely on Market-Based Inflation Forecasts?

A substantial decline in market-based measures of inflation expectations has raised concerns about low future inflation. An important question to address is whether these measures contain information that can improve upon alternative forecasting methods. This analysis finds that market-based inflation forecasts generally are no more accurate than surveys of professional forecasters or simple fo...