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TL;DR: This paper presents algorithms for several natural measures, including the diameter ( set measure ), the area, perimeter, or diagonal of the smallest enclosing axes-parallel rectangle ( rectangular measure), the side length of the largest enclosing axiomatic square ( square measure), and the radius of the biggest enclosing circle ( circular measure).
92 citations
Patent•
16 Mar 2010TL;DR: In this paper, a system and methods for automatically extracting information from ongoing voice communications is presented, where a signal is received at an electronic processor indicating that a portion of an ongoing communication is to be recorded and then analyzed to identify information suitable for storage in an address directory of a participant.
Abstract: A system and methods are provided for automatically extracting information from ongoing voice communications. A signal is received at an electronic processor indicating that a portion of an ongoing communication is to be recorded. As a result of that signal, the ongoing communication is recorded and then analyzed to identify information suitable for storage in an address directory of a participant to the communication maintained in an electronic storage medium. Thereafter, the extracted information is sent to that address directory for storage there. In the alternative, when the extracted information is a telephone number, a call based upon that number may be placed automatically and connected into the ongoing communication.
92 citations
TL;DR: The high anisotropy of the susceptibility suggests that Bi/ sub 2/Sr/sub 2/CoO/sub /ital y// may be an Ising or /ital XY/ antiferromagnet.
Abstract: The structure and magnetic properties of the Bi/sub 2/Sr/sub 2/Cu/sub 1/minus//ital x//M/sub x/O/sub /ital y// (/ital M/=Co and Fe) materials were studied. The limits of solid solution formation are at /ital x/=0.5 for the Fe system and /ital x/=1 for the Co system. Crystals of the new Bi/sub 2/Sr/sub 2/CoO/sub /ital Y// phase were grown and the structure established by x-ray crystallography. The subcell is the same as that of the 10-K superconductor, Bi/sub 2/Sr/sub 2/CuO/sub /ital y//, but the superstructure is different, as it exhibits a commensurate modulation of periodicity 4 instead of 5. Extra oxygen is accommodated in the Bi layers, as in Bi/sub 2/Sr/sub 3/Fe/sub 2/O/sub /ital y//, and the structure of the Bi-O layers can be described as 50% rocksalt-type and 50% oxygen-deficient perovskite for /ital x/=1, but with disorder at the oxygen positions. The formal valence of Co in this compound is about 2.5+-0.2 as deduced from structural and chemical measurements, whereas Fe adopts the oxidation state +3 as deduced by M/umlt o/ssbauer measurements. Bi/sub 2/Sr/sub 2/CoO/sub /ital y// is an antiferromagnetic insulator with the spins lying within the CoO/sub 2/ sheets and the antiferromagnetic ordering temperature (/ital T//sub /ital N//) is sensitive to processingmore » conditions and composition changes. The high anisotropy of the susceptibility suggests that Bi/sub 2/Sr/sub 2/CoO/sub /ital y// may be an Ising or /ital XY/ antiferromagnet.« less
92 citations
02 Mar 1990-International Journal of Human-computer Studies \/ International Journal of Man-machine Studies
TL;DR: The difficulty of expressing database queries was examined as a function of the language used as discussed by the authors, and two distinctly different query methods were investigated, one using a standard database query language, SQL, requiring users to express an English query using a formal syntax and appropriate combinations of boolean operators, and the other using a newly designed Truth-table Exemplar-Based Interface (TEBI), which only required subjects to choose examplars from a system-generated table representing a sample database.
Abstract: The difficulty of expressing database queries was examined as a function of the language used. Two distinctly different query methods were investigated. One used a standard database query language, SQL, requiring users to express an English query using a formal syntax and appropriate combinations of boolean operators. The second used a newly designed Truth-table Exemplar-Based Interface (TEBI), which only required subjects to be able to choose examplars from a system-generated table representing a sample database. Through users' choices of critical exemplars, the system could distinguish between interpretations of an otherwise ambiguous English query. Performance was measured by number correct, time to complete queries, and confidence in query correctness. Individual difference analyses were done to examine the relationship between subjects' characteristics and ability to express database queries. Subjects' performance was observed to be both better, and more resistant to variability in age and levels of cognitive skills, when using TEBI than when using SQL to specify queries. Possible reasons for these differences are discussed.
92 citations
TL;DR: In this article, the third order optical susceptibility (X(3)) in the semiconducting gap of trans -(CH)x has been measured through the technique of third harmonic generation, and the magnitude of X(3) parallel to the polymer chain direction is in excess of 10−9 esu for wavelengths larger than 1.3 μm.
92 citations
Authors
Showing all 3097 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Joseph E. Stiglitz | 164 | 1142 | 152469 |
| Pete Smith | 156 | 2464 | 138819 |
| Jean-Marie Tarascon | 136 | 853 | 137673 |
| Ramamoorthy Ramesh | 122 | 649 | 67418 |
| Martin Vetterli | 105 | 761 | 57825 |
| Noga Alon | 104 | 895 | 44575 |
| Amit P. Sheth | 101 | 753 | 42655 |
| Harold G. Craighead | 101 | 569 | 40357 |
| Susan T. Dumais | 100 | 346 | 60206 |
| Andrzej Cichocki | 97 | 952 | 41471 |
| Robert E. Kraut | 97 | 297 | 38116 |
| Kishor S. Trivedi | 95 | 698 | 36816 |
| David R. Clarke | 90 | 553 | 36039 |
| Axel Scherer | 90 | 736 | 43939 |
| Michael R. Lyu | 89 | 696 | 33257 |