34 research outputs found
Final Report on MITRE Evaluations for the DARPA Big Mechanism Program
This report presents the evaluation approach developed for the DARPA Big
Mechanism program, which aimed at developing computer systems that will read
research papers, integrate the information into a computer model of cancer
mechanisms, and frame new hypotheses. We employed an iterative, incremental
approach to the evaluation of the three phases of the program. In Phase I, we
evaluated the ability of system and human teams ability to read-with-a-model to
capture mechanistic information from the biomedical literature, integrated with
information from expert curated biological databases. In Phase II we evaluated
the ability of systems to assemble fragments of information into a mechanistic
model. The Phase III evaluation focused on the ability of systems to provide
explanations of experimental observations based on models assembled (largely
automatically) by the Big Mechanism process. The evaluation for each phase
built on earlier evaluations and guided developers towards creating
capabilities for the new phase. The report describes our approach, including
innovations such as a reference set (a curated data set limited to major
findings of each paper) to assess the accuracy of systems in extracting
mechanistic findings in the absence of a gold standard, and a method to
evaluate model-based explanations of experimental data. Results of the
evaluation and supporting materials are included in the appendices.Comment: 46 pages, 8 figure
Real-time stream processing in radio astronomy
A major challenge in modern radio astronomy is dealing with the massive data
volumes generated by wide-bandwidth receivers. Such massive data rates are
often too great for a single device to cope, and so processing must be split
across multiple devices working in parallel. These devices must work in unison
to process incoming data in real time, reduce the data volume to a manageable
size, and output a science-ready data product. The aim of this chapter is to
give a broad overview of how digital systems for radio telescopes are commonly
implemented, with a focus on real-time stream processing over multiple compute
devices.Comment: Chapter to appear in "Big Data in Radio Astronomy: Scientific Data
Processing for Advanced Radio Telescopes
Trademarks, Certification Marks and Technical Standards
The names of many technical standards such as Wi-Fi, Bluetooth and DVD have become household terms known throughout the developed world. This chapter describes different approaches that have been taken with respect to the naming and legal protection of technical standards, ranging from those that are wholly unregulated to those that are administered under strict certification and compliance regimes. It concludes by questioning the need for aggressive protection of marks that exist largely to inform consumers about technical product features rather than the source of standards themselves
A learning approach to knowledge acquisition for intelligent interface agents
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.Includes bibliographical references (leaves 99-100).by Robyn Arlene Edelson Kozierok.M.S