Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection pdf

... collection of titles and abstracts of 3,204 articles published in the Communications of ACM. WSJ88 19 Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection Panagiotis ... precision of the FP-SVM-Snippets was 0.18 with the flat database selection algorithm and it improved only to 0.20 in the hierarchical version of the alg...

Ngày tải lên: 23/03/2014, 16:21

... doc- uments and the sample is representative of the entire database contents, then there is little uncertainty on the distribution of the words over the database at large. Therefore, the uncertainty ... observation. The first algorithm proceeds hierarchically and selects the best categories for a query, and then sends the query to the appropriate databases in t...

Ngày tải lên: 30/03/2014, 22:20

... to ”standard”: map.setMapType(“standard”) e next part is a bit tricky and requires some experimentation: Set the geographic center of the map view and set the range that the view is cover- ing. ... longtitudeDelta); Latitude and longitude are measured from the intersection of the prime meridian and the equator, so values of latitude north of the equator are positi...

Ngày tải lên: 12/02/2014, 20:20

... synthesis of the policy recommendations arising from the research. These are combined with the results and recommendations from two other papers written at the same time, one in Saskatchewan and one ... Communities, Beaudry and Reichert describe how poverty affects women’s lives and their health. They describe poverty in broad terms that reflect the social and political im...

Ngày tải lên: 13/02/2014, 00:20

... together toward the overall goal. The constraint is a weak link; the per- formance of the entire chain is limited by the strength of the weakest link. TOC concentrates on the process that slows the ... one axis and the in-house standards on the second axis. A second matrix diagram is added to show the in-house requirements on one axis and the responsible department...

Ngày tải lên: 17/02/2014, 19:20

... annually over the last fouryears and todaytherearetwice as many mobile-broadband as xed- broadband subscriptions. The World in 2011 — ICT Facts and Figures Growth in bandwidth facilitates ... xed-broadbandpenetration. • The world’s top broadband economies are from Europe and Asia and the Pacic. In the Republic of Korea mobile-broadband penetrationexceed...

Ngày tải lên: 18/02/2014, 01:20

... The NetiPotisasoothingnasallavage.Asaltmixtureofappropriateconcentration and temperatureis prepared. The patientleans over the sink and applies the NetiPotto the uppernostril, the salinesolutionflows through the nasal and sinuscavities and around the backwallof the septum and washes the oppositenasal and sinuscavitiesbeforeexiting the dependentnostril.  ......

Ngày tải lên: 19/02/2014, 08:20

... are bound between the progesterone and the protein (Fig. 7A). In comparison to the oxidized structures, the FMN isoalloxazine ring is less planar, with both the N5 atom and the C8-C7 methyl groups ... are shown over 2 s, and indicate re-oxidation of the flavin and the formation of the hydride-Meisenheimer complex of TNT. (C) As for panel B except the spectral chan...

Ngày tải lên: 20/02/2014, 02:21

... persist in determining the correct sampling design and the analytic and statistical approaches to follow. Overdue is a valid and reliable research design for the collection and analysis of information ... readiness and modernization” (Reeves, 1998). After the Gulf War and throughout the 1990s, ever-increasing deployments placed new demands on soldiers and their...

Ngày tải lên: 06/03/2014, 20:20

... fruitful, theoretical and empirical research on the aggregate elasticity of substitution which has been witnessed over the last years. In La Grandville (1989b) and Klump and de La Grandville (2000) the ... the same dimension) and where the weights f i , f n sum to unity. Special cases of the General Mean are the arithmetic, the geometric and the harmonic means wh...

Ngày tải lên: 09/03/2014, 00:20