Mr. Ashcroft said the F.B.I. had obtained information over the Thanksgiving weekend indicating that Mr. Waagner had claimed responsibility for sending hundreds of letters and packages containing a powdery substance to clinics across the United States.
This paper extends the belief-free approach to robust mechanism design to dynamic environments, in which agents obtain information over time.
The investigation found evidence that some of the personal information gathered by Whittamore had been obtained illegally by him, including through "blagging" – obtaining information by deception over the phone.
Obtaining information on specific chemicals over a long period of time is challenging, given the large number of products on the market, but is crucial when exposure effects may be cumulative.
Conspicuously the interviewees showed a rather passive attitude towards obtaining information: they preferred to receive verbal information over collecting information contained within leaflets.
Researchers followed more than 3,300 people over 65 for six years, obtaining information on mental status and use of drugs for hypertension.
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Obtaining information, and obtaining it fast, is crucial for doctors who battle epidemics.
To obtain information on over-the-counter usage, the participants of the third screening (years 2004 2007) round were sent a questionnaire on over-the-counter NSAID use with 92.6 % response rate of the screened men.
We obtained information on death over the five year interval by proxy reports, death certificates, and administrative records.
