Several new mode estimation methods have been proposed in recent years.

The panel presented 53 recommendations, many of which have also been proposed in recent years by advocacy groups for the homeless and by the Koch administration.

A National Day for the United Kingdom has also been proposed in recent years.

Since there are countless ways in which such principles can be represented, many representation formalisms have been proposed in recent years.

Several solutions have been proposed in recent years.

Several railway lines have been proposed for construction in Vietnam in recent years.

Various rail projects have been proposed in recent years, to support mining projects which would drive economic growth.

Complex cross populations have been proposed in recent years for this purpose.

Various models of optoelectronic parallel computers have been proposed in recent years.

In the wake of apparent failures to govern complex environmental problems by the central state, "new" modes of governance have been proposed in recent years.