Since the number of landmarks a worker has answered is always small compared with the large number of landmarks in the space, M is very sparse.
Until two months ago, that is, when the Flushing Monthly Meeting of the Religious Society of Friends, the small Quaker group that still worships weekly in the hall, a national landmark, says workers excavating in an adjacent lot to build a medical office building rammed a utility pole into the rear lip of the graveyard, hacked into old trees and erected a fence among the oldest graves.
The familiarity scores of different pairs of (worker, landmark) are determined by some unweighed or even unobserved factors, which are regarded as some hidden knowledge categories, e.g., certain type of landmarks.
Proponents hailed the vote as a landmark victory for workers' rights and public health at a time that similar measures are pending or about to be introduced in Philadelphia and Seattle and are being pushed elsewhere.
But while the officials called the new law a landmark strengthening of workers' protections, rights groups said the law made only modest changes and took numerous steps backward that undercut unions.
It's a landmark win for workers' rights in the so-called gig economy where platform giants have sought to minimize costs by classifying the large numbers of people needed to operate their services as self-employed.
Then, we employ Probabilistic Matrix Factorization (PMF) [17] to factorize M into two latent feature matrices, (W in R^{d times n}) and (L^{dtimes m}), which are the latent worker and landmark feature matrices, respectively.
In one landmark hearing, 40 "ghost" workers were discovered.
This recently renovated restaurant, a landmark for Wall Street workers, is housed in the landmark India House, built in 1851.
This restaurant and saloon, long a landmark for Wall Street workers, is fittingly housed in the landmark India House (one floor below Bayard's).
