The SQL Procedure contains many powerful and elegant language features for advanced SQL users. This paper presents SQL topics that will help programmers unlock the many hidden features, options, and other hard-to-find gems found in the SQL universe. Topics include CASE logic; the COALESCE function; SQL statement options _METHOD, _TREE, and other useful options; dictionary tables; automatic macr...

To improve the performance of collaborative filtering algorithm, a algorithm based on sentiment analysis in review texts (CF_SA) is proposed this paper. First, LDA (Latent Dirichlet Allocation) used to form user topic feature matrix and calculate similarity. Secondly, ALBERT(A Lite Bidirectional Encoder Representation from Transformers) model BiLSTM(Bi-directional Long Short-Term Memory) neural...

Developing rating scales for assessing interactional performance is demanding since it is a relatively complicated procedure. The present study investigated the psychometric characteristics of the CAP rating scale (Wang, 2015) for assessing interactional competence at micro-level. To this end, 160 Iranian intermediate EFL learners were selected based on their performance on TOEFL iBT test from ...

Research examining the structure of multisource performance ratings has demonstrated that ratings are a direct function of both who is doing the rating (rating source) as well as what is being rated (performance dimension). A separate line of research has focused on the extent to which performance ratings are equivalent across sources. To date no research has examined the measurement equivalenc...

This is a correction to the following paper: Hague T, Petroczi A, Andrews PR, Barker J, Naughton DP: Determination of metal ion content of beverages and estimation of target hazard quotients: a comparative study. Chem Central J 2008, 2:13. Correction During preparation of a subsequent paper, we observed a computational error in the Target Hazard Quotients (THQ) listed in this work which have be...

Revenue management has been successfully implemented in the airline industry since the deregulation in 1978. There have been very few comprehensive, rigorous studies of its practices and impact, however. In this paper we examine how revenue management practices affect airline performances such as loadfactor and revenue, and how revenue management practices are implemented in different market st...

Step three is to create a set of procedures and practices for ensuring that all decisions on compensation in the future are based on job-related criteria that are consistent with business necessity and are applied uniformly and consistently to each and every pay decision. Some best practices to ensure fairness in compensation programs that have been used by employers are: Conducting a job evalu...

In the UK, the split between opposition and supporters views of the National Health Service (NHS) performance ratings system is growing. Objective argument and consensus would be facilitated if a methodology was developed which showed the cause and effect relationships between the components of the performance rating system. The NHS hospital trust performance ratings data used in 2002 and 2003 ...

Mutual fund investors are concerned with the selection of the best fund in terms of performance among the set of alternative funds. This paper proposes an innovative mutual funds performance evaluation measure in the context of multicriteria decision making. We implement a multicriteria methodology using stochastic multicriteria acceptability analysis, on Greek domestic equity funds for the per...