BibSonomy References output

Author	Title	Year	Journal/Proceedings	Reftype	DOI/URL
Baldassarri, A., Barrat, A., D'Anna, G., Loreto, V., Mayor, P. & Puglisi, A.	What is the temperature of a granular medium? [Abstract] [BibTeX]	2005	Journal of Physics: Condensed Matter	article	URL
Abstract: In this paper we discuss whether thermodynamical concepts and in particular the notion of temperature could be relevant for the dynamics of granular systems. We briefly review how a temperature-like quantity can be defined and measured in granular media in very different regimes, namely the glassy-like, the liquid-like and the granular gas. The common denominator will be given by the fluctuation–dissipation theorem, whose validity is explored by means of both numerical and experimental techniques. It turns out that, although a definition of a temperature is possible in all cases, its interpretation is far from being obvious. We discuss the possible perspectives both from the theoretical and, more importantly, from the experimental point of view.
BibTeX: @article{0953-8984-17-24-003, author = {A Baldassarri and A Barrat and G D'Anna and V Loreto and P Mayor and A Puglisi}, title = {What is the temperature of a granular medium?}, journal = {Journal of Physics: Condensed Matter}, year = {2005}, volume = {17}, number = {24}, pages = {S2405-S2428}, url = {http://stacks.iop.org/0953-8984/17/S2405} }
Baldassarri, A., Montuori, M., Prieto-Ballesteros, O. & Manrubia, S. C.	Fractal properties of isolines at varying altitude reveal different dominant geological processes on Earth [Abstract] [BibTeX]	2008	Journal of Geophysical Research	article
Abstract: Geometrical properties of landscapes result from the geological processes that have acted through time. The quantitative analysis of natural relief represents an objective form of aiding in the visual interpretation of landscapes, as studies on coastlines, river networks, and global topography, have shown. Still, an open question is whether a clear relationship between the quantitative properties of landscapes and the dominant geomorphologic processes that originate them can be established. In this contribution, we show that the geometry of topographic isolines is an appropriate observable to help disentangle such a relationship. A fractal analysis of terrestrial isolines yields a clear identification of trenches and abyssal plains, differentiates oceanic ridges from continental slopes and platforms, localizes coastlines and river systems, and isolates areas at high elevation (or latitude) subjected to the erosive action of ice. The study of the geometrical properties of the Lunar landscape supports the existence of a correspondence between principal geomorphic processes and landforms. Our analysis can be easily applied to other planetary bodies.
BibTeX: @article{fractalplanets2008, author = {Andrea Baldassarri and Marco Montuori and Olga Prieto-Ballesteros and Susanna Cueva Manrubia}, title = {Fractal properties of isolines at varying altitude reveal different dominant geological processes on Earth}, journal = {Journal of Geophysical Research}, year = {2008}, note = {in press} }
Baldassarri, A., Montuori, M., Prieto-Ballesteros, O. & Manrubia, S. C.	Fractal properties of isolines at varying altitude revealing different dominant geological processes on Earth [Abstract] [BibTeX]	2008	JOURNAL OF GEOPHYSICAL RESEARCH	article	URL
Abstract: Geometrical properties of landscapes result from the geological processes that have acted through time. The quantitative analysis of natural relief represents an objective form of aiding in the visual interpretation of landscapes, as studies on coastlines, river networks, and global topography, have shown. Still, an open question is whether a clear relationship between the quantitative properties of landscapes and the dominant geomorphologic processes that originate them can be established. In this contribution, we show that the geometry of topographic isolines is an appropriate observable to help disentangle such a relationship. A fractal analysis of terrestrial isolines yields a clear identification of trenches and abyssal plains, differentiates oceanic ridges from continental slopes and platforms, localizes coastlines and river systems, and isolates areas at high elevation (or latitude) subjected to the erosive action of ice. The study of the geometrical properties of the lunar landscape supports the existence of a correspondence between principal geomorphic processes and landforms. Our analysis can be easily applied to other planetary bodies.
BibTeX: @article{fractalplanets2008, author = {Andrea Baldassarri and Marco Montuori and Olga Prieto-Ballesteros and Susanna C. Manrubia}, title = {Fractal properties of isolines at varying altitude revealing different dominant geological processes on Earth }, journal = {JOURNAL OF GEOPHYSICAL RESEARCH}, year = {2008}, volume = {113}, pages = {E09002}, url = {http://www.agu.org/pubs/crossref/2008/2007JE003066.shtml} }
Baronchelli, A., Cattuto, C., Loreto, V. & Puglisi, A.	Complex systems approach to the emergence of language [BibTeX]	2007	Language, Evolution and the Brain	incollection
BibTeX: @incollection{sleb07, author = {A. Baronchelli and C. Cattuto and V. Loreto and A. Puglisi}, title = {Complex systems approach to the emergence of language}, booktitle = {Language, Evolution and the Brain}, year = {2007} }
Ferrazza, F.	Personal porno. Come diventare pornostar in rete e manager di se stessi (senza farsi fottere) [Abstract] [BibTeX]	2008		book	URL
Abstract: Internet ha cambiato il nostro modo di informarci, di comunicare, acquistare, di conoscere nuove persone. E di fare sesso. Non soltanto perché ha reso immediatamente disponibile materiale hard da vedere quando e dove si vuole, ma anche perché -grazie a siti di video sharing per adulti come PornoTube o YouPorn - da qualche tempo a questa parte ognuno può mettere in Rete i propri filmati amatoriali a contenuto erotico. Una vera rivoluzione per i professionisti del campo, che lamentano una crisi irreversibile del mercato. E per tanta gente comune che si improvvisa pornostar: protagonista di sequenze riprese da videocamere da poche centinaia di euro (o addirittura da cellulari) e messe gratuitamente a disposizione di migliaia di utenti sconosciuti. Federico Terrazza, giornalista esperto di nuove tecnologie, va a scandagliare il bizzarro e variegato universo della sessualità on line nelle sue molteplici accezioni: dalle studentesse e impiegate che "arrotondano" spogliandosi davanti a una webcam all'industria che gestisce la messaggeria erotica più visitata al mondo (AdultFriendFinder.com, che raccoglie 7,2 milioni di contatti al giorno), dai videogame porno in 3D in stile Second Life ai negozi virtuali di sex toysì fino ai minifilm hard da scaricare sul telefonino.
BibTeX: @book{ferrazza2008porno, author = {Federico Ferrazza}, title = {Personal porno. Come diventare pornostar in rete e manager di se stessi (senza farsi fottere)}, publisher = {fazi}, year = {2008}, url = {http://www.fazieditore.it/scheda_Libro.aspx?l=1119} }
Heymann, P., Koutrika, G. & Garcia-Molina, H.	Can social bookmarking improve web search? [BibTeX]	2008	WSDM '08: Proceedings of the international conference on Web search and web data mining	inproceedings	DOI URL
BibTeX: @inproceedings{1341558, author = {Paul Heymann and Georgia Koutrika and Hector Garcia-Molina}, title = {Can social bookmarking improve web search?}, booktitle = {WSDM '08: Proceedings of the international conference on Web search and web data mining}, publisher = {ACM}, year = {2008}, pages = {195--206}, url = {http://portal.acm.org/citation.cfm?id=1341531.1341558&coll=Portal&dl=GUIDE&CFID=20557217&CFTOKEN=93769937}, doi = {http://doi.acm.org/10.1145/1341531.1341558} }
Heymann, P., Koutrika, G. & Garcia-Molina, H.	Fighting Spam on Social Web Sites: A Survey of Approaches and Future Challenges [Abstract] [BibTeX]	2007	IEEE Internet Computing	article	DOI URL
Abstract: In recent years, social Web sites have become important components of the Web. With their success, however, has come an increasing flux of spam. If left unchecked, spam threatens to undermine resource sharing, interactivity, and openness. The authors survey three categories of potential countermeasures: those based on detection, demotion, and prevention. Although many of these countermeasures have been proposed before for email and Web spam, the authors find that their applicability to social Web sites differs. How should we evaluate spam countermeasures for social Web sites, and what future challenges might we face?
BibTeX: @article{heymann2007spam, author = {Paul Heymann and Georgia Koutrika and Hector Garcia-Molina}, title = {Fighting Spam on Social Web Sites: A Survey of Approaches and Future Challenges}, journal = {IEEE Internet Computing}, publisher = {IEEE Educational Activities Department}, year = {2007}, volume = {11}, number = {6}, pages = {36--45}, url = {http://portal.acm.org/citation.cfm?id=1304062.1304547&coll=GUIDE&dl=}, doi = {http://dx.doi.org/10.1109/MIC.2007.125} }
Loreto, V., Cattuto, C. & Baldassarri, A.	Infomation dynamics in web-based social systems [BibTeX]	2007		unpublished
BibTeX: @unpublished{fet07, author = {Vittorio Loreto and Ciro Cattuto and Andrea Baldassarri}, title = {Infomation dynamics in web-based social systems}, year = {2007} }
Sigurbjörnsson, B. & van Zwol, R.	Flickr tag recommendation based on collective knowledge [BibTeX]	2008	WWW '08: Proceeding of the 17th international conference on World Wide Web	inproceedings	DOI URL
BibTeX: @inproceedings{1367542, author = {B\"{o}rkur Sigurbj\"{o}rnsson and Roelof van Zwol}, title = {Flickr tag recommendation based on collective knowledge}, booktitle = {WWW '08: Proceeding of the 17th international conference on World Wide Web}, publisher = {ACM}, year = {2008}, pages = {327--336}, url = {http://portal.acm.org/citation.cfm?id=1367497.1367542}, doi = {http://doi.acm.org/10.1145/1367497.1367542} }
Smith, D. E., Zuber, M. T., Neumann, G. A. & Lemoine, F. G.	Topography of the Moon from the Clementine lidar [Abstract] [BibTeX]	1997	JOURNAL OF GEOPHYSICAL RESEARCH	article
Abstract: Range measurements from the lidar instrument carried aboard the Clementine spacecraft have been used to produce an accurate global topographic model of the Moon. This paper discusses the function of the lidar; the acquisition, processing, and filtering of observations to produce a global topographic model; and the determination of parameters that define the fundamental shape of the Moon. Our topographic model; a 72nd degree and order spherical harmonic expansion of lunar radii, is designated Goddard Lunar Topography Model 2 (GLTM 2). This topographic field has an absolute vertical accuracy of approximately 100 m and a spatial resolution of 2.5°. The field shows that the Moon can be described as a sphere with maximum positive and negative deviations of ∼8 km, both occurring on the farside, in the areas of the Korolev and South Pole-Aitken (S.P.-Aitken) basins. The amplitude spectrum of the topography shows more power at longer wavelengths as compared to previous models, owing to more complete sampling of the surface, particularly the farside. A comparison of elevations derived from the Clementine lidar to control point elevations from the Apollo laser altimeters indicates that measured relative topographic heights generally agree to within ∼200 m over the maria. While the major axis of the lunar gravity field is aligned in the Earth-Moon direction, the major axis of topography is displaced from this line by approximately 10° to the east and intersects the farside 24° north of the equator. The magnitude of impact basin topography is greater than the lunar flattening (∼2 km) and equatorial ellipticity (∼800 m), which imposes a significant challenge to interpreting the lunar figure. The floors of mare basins are shown to lie close to an equipotential surface, while the floors of unflooded large basins, except for S.P.-Aitken, lie above this equipotential. The radii of basin floors are thus consistent with a hydrostatic mechanism for the absence of significant farside maria except for S.P.-Aitken, whose depth and lack of mare require significant internal compositional and/or thermal heterogeneity. A macroscale surface roughness map shows that roughness at length scales of 101–102 km correlates with elevation and surface age.
BibTeX: @article{smith97moon, author = {David E. Smith and Maria T. Zuber and Gregory A. Neumann and Frank G. Lemoine}, title = {Topography of the Moon from the Clementine lidar }, journal = {JOURNAL OF GEOPHYSICAL RESEARCH}, year = {1997}, volume = {102}, number = {E 1}, pages = {1591-1611} }

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