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CAIXA: a Catalogue of AGN In the XMM-Newton Archive I. Spectral analysis: (7 Nov 2008)We present CAIXA, a Catalogue of AGN In the XMM-Newton Archive. It consists of all the radio-quiet X-ray unobscured ($\mathrmN_H

Source: (7 Nov 2008)
The XMM-Newton Serendipitous Survey. VI. The Second XMM-Newton Serendipitous Source Catalogue: (7 Jul 2008)Aims: Pointed observations with XMM-Newton provide the basis for creating catalogues of X-ray sources detected serendipitousl y in each field. This paper describes the creation and characteristic s of the 2XMM catalogue. Methods: The 2XMM catalogue has been compiled from a new processing of the XMM-Newton EPIC camera data. The main features of the processing pipeline are described in detail. Results: The catalogue, the largest ever made at X-ray wavelengths, contains 246,897 detections drawn from 3491 public XMM-Newton observations over a 7-year interval, which relate to 191,870 unique sources. The catalogue fields cover a sky area of more than 500 sq.deg. The non-overlappin g sky area is ~360 sq.deg. (~1% of the sky) as many regions of the sky are observed more than once by XMM-Newton. The catalogue probes a large sky area at the flux limit where the bulk of the objects that contribute to the X-ray background lie and provides a major resource for generating large, well-defined X-ray selected source samples, studying the X-ray source population and identifying rare object types. The main characteristic s of the catalogue, including its photometric and astrometric properties are presented.

Source: (7 Jul 2008)
Principles of Distributed Database Systems (2nd Edition): (19 January 1999)

Source: (19 January 1999)
Visual Music: Synaesthesia in Art and Music Since 1900: (30 April 2005)The influence of music on the development of abstract and mixed-media visual art forms from the early twentieth century to the present day. This ground-breakin g new book and the exhibition it accompanies trace the history of a revolutionary idea: that fine art should attain the abstract purity of music. Over the past one hundred years some of the most adventurous modern and contemporary artists have explored unorthodox means to invent a kinetic, non-representa tional art modeled upon pure instrumental music. Music has inspired some of the most progressive art of our time—from the abstract painting of Wassily Kandinsky and Frantisek Kupka to the mid-century experimental films of Oskar Fischinger and Harry Smith to contemporary installations by Jennifer Steinkamp and Jim Hodges. While early abstract paintings tended to approach music metonymically, the color organs, films, light shows, and installations from the mid-twentieth century to the present day engage a range of perceptual faculties simultaneously to create a plethora of sensations in the viewer. The most complete examination of this phenomenon to date, Visual Music features ninety major works of art plus related documentation, focusing on abstract and mixed-media art and the connections to musical forms as varied as classical, jazz, and electronic. The book includes three scholarly essays, each discussing a distinct art historical period in depth, and an additional essay by Olivia Mattis that approaches the subject from a musicologist's perspective, as well as a chronology, artist biographies, and a selected bibliography. 250 illustrations, 200 in color. With contributions by: Kerry Brougher, Hirshhorn; Jeremy Strick, MOCA; Ari Wiseman, MOCA; Judith Zilczer, Hirshhorn.

Source: (30 April 2005)
Towards a catalog of aspect-oriente d refactorings: (2005), pp. 111-122.

Source: (2005), pp. 111-122.
Cataloguing digital resources: The experience of the University of the West Indies, St Augustine Campus: Library Review, Vol. 54, No. 2. (February 2005), pp. 100-107.

Source: Library Review, Vol. 54, No. 2. (February 2005), pp. 100-107.
Dialogue ou labyrinthe ?: La consultation des catalogues informatisés par les usagers (Etudes et recherche): (30 November 1990)

Source: (30 November 1990)
Grid metadata catalog service-based OGC web registry service: (2004), pp. 22-30.Grid is a promising e-Science infrastructure that promotes and facilitates the sharing and collaboration in the use of distributed heterogeneous resources through Virtual Organization (VO). A critical factor to the overall utility of Grid is a scalable, flexible and robust registry mechanism. Although it provides some mechanisms to store and access metadata for publishing and discovering resources, such as MCS (Metadata Catalog Service), the Grid registry is inadequate for dealing with domain-specifi c resources. To enhance the earth science Grid systems, this paper presents a geospatial registry approach in which the OGC (Open GIS Consortium) WRS (Web Registry Service), a de facto standard that supports the publishing of and run-time access to geospatial resources, as a wrapper is used to extend the capabilities of the conventional Grid MCS to the processing of geospatial queries against multiple heterogeneous spatial data sources and services. The approach presented not only focuses on the specifics of descriptive information about spatial data, services, and relevant information objects, but also emphasizes using ontology to infer the semantic relationships between vocabularies for integrating different information models. The implementation of presented approach used in NASA Grid Data Service environment is also illustrated in this paper.

Source: (2004), pp. 22-30.
GI-Cat: a Web Service for Dataset Cataloguing Based on ISO 19115: (2004), pp. 846-850.

Source: (2004), pp. 846-850.
A WFS-based mediation system for GIS interoperabili ty: (2002), pp. 23-28.The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order to move to a real Web-based community where geographical data can be accessed and exchanged, we need to provide flexible and powerful GIS data integration solutions. Indeed, GIS are highly heterogeneous: not only they differ by their data representation s, but they also offer radically different query languages. A GIS mediation approach should provide (1) an integrated view of the data supplied by all sources, and (2) a geographical query language to access and manipulate integrated data.In this paper we propose an approach that not only focuses on the data integration, but also addresses the integration of query capabilities available at the sources. A GIS may provide a query capability inexistent at another GIS, whereas two query capabilities may be similar but with a slightly different semantics. We introduce the notion of derived wrappers that capture additional query capabilities to either compensate capabilities lacking at a source, or to adjust an existing capability in order to make it homogeneous with other similar capabilities, wrapped at other sources. Finally we describe the implementation of the presented approach that complies with OpenGIS WFS recommendation .

Source: (2002), pp. 23-28.

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