Dwarf “transition” types: searching for the holy grail(s)

Reexamining Some Holy Grails of Data Provenance

We reconsider some of the explicit and implicit properties that underlie well-established definitions of data provenance semantics. Previous work on comparing provenance semantics has mostly focused on expressive power (does the provenance generated by a certain semantics subsume the provenance generated by other semantics) and on understanding whether a semantics is insensitive to query rewrit...

Searching for the Holy Grail?

Vaccines to prevent systemic mycoses: holy grails meet translational realities.

In this issue of the Journal, Spellberg et al. [1] report that immunization with a recombinant protein (rAls3p-N) mixed with aluminum hydroxide gel (Alhydrogel) can protect mice from a lethal candidal infection. This is an extension of their original finding of protection resulting from this and related Als recombinant proteins when used with Freund’s adjuvant. From a purely immunologic perspec...

Arts for health: still searching for the Holy Grail.

The potential health benefits of participation in the arts to the person and to the community have received widespread attention in recent years. The arts have been used as a medium for health promotion, as therapeutic interventions, and, in the case of the UK, health action zones and social inclusion partnerships’ arts projects have been specifically used to tackle social exclusion. As with ot...

Searching for WISDeM, the Holy Grail of Intelligent Distance Education