scholarly journals Radiocarbon Data Base: Q&A—An Artificial Intelligence Data File Management Program

Radiocarbon ◽  
1989 ◽  
Vol 31 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Robert M Kalin ◽  
Austin Long
Keyword(s):  
Artificial Intelligence ◽  
Data Base ◽  
Radiocarbon Dating ◽  
Data File ◽  
Management Program ◽  
File Management ◽  
University Of Arizona ◽  
Radiocarbon Data ◽  
The University

The “C14” data base, designed and implemented at the University of Arizona Radiocarbon Dating Laboratory, uses Q&A, an artificial intelligence data file management program. The data entered into this data base are easily retrievable and exportable for submission to RADIOCARBON, and to the International Radiocarbon Data Base (IRDB). The use of artificial intelligence allows both novice and experienced computer operators to search and retrieve data with few key strokes and normal English sentences.

scholarly journals The International Radiocarbon Data Base: A Progress Report

Radiocarbon ◽  
1989 ◽  
Vol 31 (03) ◽  
pp. 1067-1075 ◽  
Author(s):  
Renee Kra
Keyword(s):  
Data Base ◽  
Data Retrieval ◽  
New Haven ◽  
University Of Arizona ◽  
Permanent Home ◽  
Radiocarbon Data ◽  
Type Data ◽  
The University ◽  
System Selection ◽  
Selection Of

An International Radiocarbon Data Base (IRDB), an online centralized 14C data management and retrieval system has been designed and established to compile, edit and disseminate data to researchers in many scientific fields. The need for such a research tool has been apparent for some years. Since 1985, planning conferences and workshops have addressed the issues of implementing the IRDB. Workshops in Groningen and, most recently in New Haven, have led to consensus on a microcomputer-driven catalogue-type data retrieval management system, selection of an American Advisory Board and the initiation of two pilot projects. A permanent home has been found for the data base at The University of Arizona. It is hoped that our efforts toward international cooperation will culminate with the official launching of this much needed, long overdue enterprise.

scholarly journals Radiocarbon Dating With the Quantulus in an Underground Counting Laboratory: Performance and Background Sources

Radiocarbon ◽  
1989 ◽  
Vol 31 (03) ◽  
pp. 359-367 ◽  
Author(s):  
Robert M Kalin ◽  
Austin Long
Keyword(s):  
Sample Size ◽  
Radiocarbon Dating ◽  
State Of The Art ◽  
Laboratory Performance ◽  
University Of Arizona ◽  
Counting Chamber ◽  
The University

The University of Arizona Radiocarbon Laboratory purchased a state-of-the-art LKB Quantulus LSC and placed it into a new underground counting chamber. We have investigated the performance of the Quantulus in this setting comparing different vial types, checking background sources and experimenting with sample size.

scholarly journals Study of Bone Radiocarbon Dating Accuracy at the University of Arizona NSF Accelerator Facility for Radioisotope Analysis

Radiocarbon ◽  
1987 ◽  
Vol 29 (1) ◽  
pp. 24-44 ◽  
Author(s):  
Thomas W Stafford ◽  
A J T Jull ◽  
Klaus Brendel ◽  
Raymond C Duhamel ◽  
Douglas Donahue
Keyword(s):  
Radiocarbon Dating ◽  
Fossil Bone ◽  
Accelerator Facility ◽  
University Of Arizona ◽  
Accelerator Mass Spectrometer ◽  
Calcified Tissue ◽  
The University ◽  
Original Organic Matter ◽  
Age Determinations ◽  
The Ideal

Bone would seem to be an ideal material for14C dating because this calcified tissue contains 20 weight per cent protein. Fossil bone, however, can lose most of its original organic matter and frequently contains contaminants having different14C ages. Numerous14C dates on bone have been available to archaeologists and geologists but many age determinations have been inaccurate despite over 30 years of research in the field following the first14C age determinations on bone (Arnold & Libby, 1951). This situation remained unchanged until simple pretreatments were abandoned and more bone-specific fractions were isolated. The ideal solution is to use accelerator mass spectrometer14C dating, which facilitates the use of milligram-sized amounts of highly purified compounds—an approach impossible to pursue using conventional14C decay-counting methods.

Radiocarbon Dating and Intercomparison of Some Early Historical Radiocarbon Samples

Radiocarbon ◽  
2018 ◽  
Vol 60 (2) ◽  
pp. 535-548 ◽  
Author(s):  
A J T Jull ◽  
C L Pearson ◽  
R E Taylor ◽  
J R Southon ◽  
G M Santos ◽  
...  
Keyword(s):  
Tree Ring ◽  
Tree Rings ◽  
Radiocarbon Dating ◽  
University Of Arizona ◽  
Materials Used ◽  
The University ◽  
Good Agreement ◽  
Made In

AbstractWe performed a new series of measurements on samples that were part of early measurements on radiocarbon (14C) dating made in 1948–1949. Our results show generally good agreement to the data published in 1949–1951, despite vast changes in technology, with only two exceptions where there was a discrepancy in the original studies. Our new measurements give calibrated ages that overlap with the known ages. We dated several samples at four different laboratories, and so we were also able to make a small intercomparison at the same time. In addition, new measurements on samples from other Egyptian materials used by Libby and co-workers were made at UC Irvine. Samples of tree rings used in the original studies (from Broken Flute Cave and Centennial Stump) were obtained from the University of Arizona Laboratory of Tree-Ring Research archive and remeasured. New data were compared to the original studies and other records.

scholarly journals Dendrochronology and Radiocarbon Dating: The Laboratory of Tree-Ring Research Connection

Radiocarbon ◽  
2009 ◽  
Vol 51 (1) ◽  
pp. 373-384 ◽  
Author(s):  
Steven W Leavitt ◽  
Bryant Bannister
Keyword(s):  
Head Start ◽  
Tree Ring ◽  
Radiocarbon Dating ◽  
Sample Treatment ◽  
University Of Arizona ◽  
Bristlecone Pine ◽  
Early Testing ◽  
The University ◽  
Relationship Of

The field of dendrochronology had a developmental “head start” of at least several decades relative to the inception of radiocarbon dating in the late 1940s, but that evolution was sufficiently advanced so that unique capabilities of tree-ring science could assure success of the 14C enterprise. The Laboratory of Tree-Ring Research (LTRR) at the University of Arizona played a central role in the cross-pollination of these disciplines by providing the first wood samples of exactly known age for the early testing and establishment of the “Curve of Knowns” by Willard Libby. From the 1950s into the early 1980s, LTRR continued to contribute dated wood samples (bristlecone pine and other wood species) to 14C research and development, including the discovery and characterization of de Vries/Suess “wiggles,” calibration of the 14C timescale, and a variety of tests to understand the natural variability of 14C and to refine sample treatment for maximum accuracy. The long and varied relationship of LTRR with 14C initiatives has continued with LTRR contributions to high-resolution studies through the 1990s and systematic efforts now underway that may eventually extend the bristlecone pine chronology back beyond its beginning 8836 yr ago as of 2009. This relationship has been mutualistic such that a half-century ago the visibility and stature of LTRR and dendrochronology were also elevated through their association with 14C-allied “hard sciences.”

The Neolithic transition and European population history – a response

Antiquity ◽  
2004 ◽  
Vol 78 (301) ◽  
pp. 711-713 ◽  
Author(s):  
James Steele ◽  
Marina Gkiasta ◽  
Stephen Shennan
Keyword(s):  
Radiocarbon Dating ◽  
European Population ◽  
The State ◽  
Population History ◽  
Neolithic Transition ◽  
Wide Range ◽  
Radiocarbon Data ◽  
Public Availability ◽  
The University

We thank Crombé and Van Strydonck for their comments on our earlier paper (Gkiasta et al. 2003). They kindly draw attention to recent surveys of radiocarbon data from Belgium, most of which were published subsequent to our own work, which was carried out in 1999. Even at the time we were under no illusion that our compilation was complete: “It became clear in the course of the project that, despite the large sums of money which have been spent over the years on radiocarbon dating in Europe, the state of public availability of the dates, their context and associations and details which enable users to judge the reliability of dates is in general very poor. Thus, no claim is made that the database is in any sense complete” (Gkiasta et al. 2003: 48). It would probably also be as well to correct the impression that the dates we used were mainly derived from Gob (1990). Over half those finally included were extracted from the University of Lyon Banadora database; the remainder came from a wide range of other sources. The new dates from Belgium may well shed new light on the chronology of the transition in that region. New discoveries frequently do cause old interpretations to be modified or revised; we look forward to their analysis and demonstration of the implications of the new data to which they refer.

Health and Medical Informatics Education

1994 ◽  
Vol 33 (03) ◽  
pp. 246-249 ◽  
Author(s):  
R. Haux ◽  
F. J. Leven ◽  
J. R. Moehr ◽  
D. J. Protti
Keyword(s):  
Health Care ◽  
Health Information ◽  
Medical Informatics ◽  
Health Informatics ◽  
Information Science ◽  
Management Program ◽  
Science Program ◽  
Special Issue ◽  
Academic Degree ◽  
The University

Abstract:Health and medical informatics education has meanwhile gained considerable importance for medicine and for health care. Specialized programs in health/medical informatics have therefore been established within the last decades.This special issue of Methods of Information in Medicine contains papers on health and medical informatics education. It is mainly based on selected papers from the 5th Working Conference on Health/Medical Informatics Education of the International Medical Informatics Association (IMIA), which was held in September 1992 at the University of Heidelberg/Technical School Heilbronn, Germany, as part of the 20 years’ celebration of medical informatics education at Heidelberg/Heilbronn. Some papers were presented on the occasion of the 10th anniversary of the health information science program of the School of Health Information Science at the University of Victoria, British Columbia, Canada. Within this issue, programs in health/medical informatics are presented and analyzed: the medical informatics program at the University of Utah, the medical informatics program of the University of Heidelberg/School of Technology Heilbronn, the health information science program at the University of Victoria, the health informatics program at the University of Minnesota, the health informatics management program at the University of Manchester, and the health information management program at the University of Alabama. They all have in common that they are dedicated curricula in health/medical informatics which are university-based, leading to an academic degree in this field. In addition, views and recommendations for health/medical informatics education are presented. Finally, the question is discussed, whether health and medical informatics can be regarded as a separate discipline with the necessity for specialized curricula in this field.In accordance with the aims of IMIA, the intention of this special issue is to promote the further development of health and medical informatics education in order to contribute to high quality health care and medical research.

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