While this data collection method does improve the accuracy, it is not updated often enough because it involves a labor-intensive process: Individually surveying hundreds of U.S. citizens on their voting preferences to predict the polls takes considerable time and may overlook the chance of shifting perspectives following a recent debate, public statement, etc.
The former is often much more cost-intensive because it involves a longer, grass-based production system.
The showdown, which has no end in sight, is being closely watched by corporations and unions across the country because it involves two often uncompromising antagonists — Caterpillar and the International Association of Machinists — that have figured in many high-stakes labor battles.
Rap isn't poetry, not least because it involves music and often other elements that aren't words.
In Italy landslides caused by earthquakes, usually (58%% of cases), do not produce dams because, often, they involve small volumes of material.
This one is about a vampire private eye, which is obviously a good profession for vampires because it often involves some blood.
Officer Gregory White, of the L.A.P.D., who works in a special gang unit, explains that gangsta rap is a legitimate concern of law-enforcement agencies because it often involves criminal activity.
This predilection of Mr. Gore's is all the more surprising because it often involves trivial matters -- ones that could easily be checked -- such as how Mr. Gore recalled a childhood lullaby that did not exist.
But privacy advocates argue that real-time bidding is more problematic than direct mail because it often involves dozens of business-to-business companies — whose names most consumers have never heard of — collecting information and making instant decisions about them.
Risk assessment of groundwater contamination could be a challenge because it often involves many groundwater quality parameters.
