APPEARANCE Please refer to Dr Proto's From the Editor article (p 2) in the January 1998 issue for instructions regarding submission of manuscripts for Signs in Imaging. In particular, note that prospective authors are requested to write to the Editor for approval of the sign to be submitted, to avoid duplicate preparation of the same sign. The " Tip of the Iceberg " Sign1 The " tip of the icebe...

This paper considers the conceptual and empirical merits of Ernest Becker’s analysis of radicalization and mass violence. Starting with several cases showing a clear link between exposure to traumatic events and violence, Ernest Becker’s idea that mass violence should be understood as an attempt to overcome the fear of death is examined in the light of recent experimental social psychological r...

We investigate the in-network processing of an iceberg join query in wireless sensor networks (WSNs). An iceberg join is a special type of join where only those joined tuples whose cardinality exceeds a certain threshold (called iceberg threshold) are qualified for the result. Processing such a join involves the value matching for the join predicate as well as the checking of the cardinality co...

Eighty-eight percent of all 40-year-old male residents of four suburban municipalities of Copenhagen County were examined for the lead concentration in their blood and interviewed regarding job category and place of work. Of the 504 men, 482 were currently employed, 18 were unemployed, and 4 were pensioners. The total median blood lead level was 13 micrograms/100 ml (0.6 mumol/l). Men employed ...

1 Département de Physique de la Matière Condensée, Université de Genève, 24 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland 2 Laboratoire de Crystallographie, Université de Genève, 24 Quai Ernest-Ansermet, CH-1211 Geneva, Switzerland 3 European Synchrotron Radiation Facility (ESRF), 6 Rue Jules Horowitz, BP 220, F-38043 Grenoble Cedex, France * Corresponding author: Tel. +41-22-3796076; fax +...

Fuzzy c-means (FCM) clustering algorithm is widely used for image segmentation. The purpose of clustering is to identify natural groupings of data from a large data set, which results in concise representation of system’s behavior. It can be used to detect icebergs regardless of ambient conditions like rain, darkness and fog. As a result SAR images can be used for iceberg surveillance. In this ...

[1] ICESat elevation profiles of tabular iceberg margins and the Ronne Ice Shelf edge reveal shapes indicative of two types of bending forces. Icebergs and shelf fronts in sea-ice-covered areas have broad ( 1000 m wide), rounded, 0.6 m high ‘berms’ and outer edges that slope down several meters toward the water. Bergs in warmer water have 2 to 5m ‘ramparts’ with 1500 m wide edge-parallel ‘moats...

Anatomical and physiological observations on lesions in the cerebellar nuclei in Macacus rhesus (preliminary report). By Ernest Sachs MD and Edgar F. Fincher, Jr MD, Fellow in Neurological Surgery, St Louis, Missouri, USA (Brain 1927; 50: 350–356); with Symptomatology of a group of frontal lobe lesions. By Ernest Sachs MD, St Louis, Missouri, USA (Brain 1927; 50: 474–479); with The subpial rese...

We introduce the notion of iceberg concept lattices and show their use in knowledge discovery in databases. Iceberg lattices are a conceptual clustering method, which is well suited for analyzing very large databases. They also serve as a condensed representation of frequent itemsets, as starting point for computing bases of association rules, and as a visualization method for association rules...