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

... collectionof titles and abstracts of 3,204 articles published in the Communications of ACM. WSJ8819 Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection Panagiotis ... precision of the FP-SVM-Snippets was 0.18with the flat database selection algorithm and it improved only to 0.20 in the hierarchical version of the algorithm. On the other hand, for the FP-SVM-Doc ... databases over databases with broader scope. On the other hand, if Cjdoes not have sufficiently many (i.e., K or more) databases (Step 6),then intuitively the algorithm has gone as deep in the...

... doc-uments and the sample is representative of the entire database contents, thenthere 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 thensends the query to the appropriate databases in the chosen categories. The second algorithm ... Ipeirotis and L. Gravano4.1 Hierarchical Database Selection We now introduce a hierarchical database selection algorithm that exploits the database categorization and content summaries to alleviate the...

... 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 positive (and south are negative), and values ... mile.In the following code example, I’ll use a restaurant called Sven and Ole’s and their real location in the town of Grand Marais, Minnesota (pay them a visit if you’re ever in northern Minnesota—they...

... synthesis of the policyrecommendations arising from the research.These are combined with the results and recommendations from two other paperswritten at the same time, one inSaskatchewan and one ... Communities, Beaudry and Reichert describe how poverty affectswomen’s lives and their health. Theydescribe poverty in broad terms that reflect the social and political implications forwomen. They state:If ... HEALTH AND POVERTY INMANITOBA AND SASKATCHEWANRecent reports from the Prairie Women’sHealth Centre of Excellence, the Women’sHealth Clinic and by Jane Whyte, with the Women, Health and Poverty...

... 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-housestandards on the second axis. A second matrix diagram is added to show the in-house requirements on one axis and the responsible departments on the other. The matrix ... was developed over time byHewlett-Packard, Motorola, General Electric, and others in the 1980s and 1990s (Pande, Neuman, and Cavanagh 2000). The tools used in Six Sigmaare not new. The thinking...

... 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 FiguresGrowth 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exceeds90%. The World ... Telecommunication/ICT Indicators database • The world is home to 7 billion people, one third of which are using the Internet. 45% of the world’s Internet users are below the age of 25. • Over the lastveyears,developingcountrieshaveincreasedtheirshareof the world’stotalnumberofInternetusersfrom44%in2006,to62%in2011.Today,InternetusersinChinarepresentalmost25%ofthe...

... 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. ... ctivatedagainst the fungus,while the immunesystemsofnormalhealthypeopledonot.Innormalhealthypeople, the fungus and fungalsporesthatarebreathedinto the noseappeartodonoharm.Inchronicsinusitispatients, the immunereactionagainst the funguscausesimmunecellstoreleasesubstancesthatkill the fungus.Itisbelievedby the researchersat the MayoClinicthatthesesubstancesalsodamage the nasal and sinuslinings and causethemtobecomeinflamed and irritated.(50) The immunesystemofchronicsinusitispatientsisactivatedagainst the fungusbutendsuphurting the patient. ... terlevelrises and areservoirforms.Similarly,if the osteomeatalcomplexisblocked,abackupofmucusoccurs.Thiscanleadtoaconditionthatleadstoinfection.Bacterialivein the nose and sinuses;however,inaninfectiousstatesomesubset(s)ofbacteriahavereproducedoutofproportiontoothers.Thisbacterialovergrowthisoftenpresentinsinusitis–particularlyacutesinusitis.Anyprocessthatcausesmucosalinflammationinto the sensitiveareaof the osteomeatalcomplex(OMC)canocclude the othersinusesthatdrainintothiscrossroadzone.(16‐20)Blockageof the smallopeningsfromswelling(causedbyinfection,allergy, and othercauses)canalsoresultinsinusitis.Whenobstructionoccurs, the mucusisretainedin the sinuscavity.Thesestagnantsecretionsthicken and provideamediumforbacterialgrowth.Obstructionalsoimpairsaeration and gasexchangewithin the sinuscavity.Absorptionoftrappedoxygenleadstohypoxiaordecreasedoxygenlevelswithin the sinus,whichexacerbatessinusitis.Thesechangesleadtodamage and dysfunctionof the cilia and epithelium. The retainedsecretions and infectionleadtofurthertissueinflammation,whichinturnleadstofurtherblockage.Thesechanges120help the bodyfightsinusitis.(51‐52).However,onecriticismofthisuseof the macrolideantibioticsisthatthereisariskthatbacteriacouldbecomeresistanttotheseantibioticsiftheyareoverused,therebypotentiallycreatingadifficultproblemintreatinginfectionwithresistantbacteria.N.Steroids...

... are boundbetween the progesterone and the protein (Fig. 7A).In comparison to the oxidized structures, the FMNisoalloxazine ring is less planar, with both the N5atom and the C8-C7 methyl groups ... are shown over 2 s, and indicate re-oxidation of the flavin and the formation of the hydride-Meisenheimercomplex of TNT. (C) As for panel B except the spectral changes are recorded over an extended ... confirming that the mutation of Tyr186 to Phe186 does not grossly perturb the overall framework of the enzyme or the active site. The active sitesof the enzymes are shown in stick format with the sigmaA...

... 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 families; the Chief of Staff of the ... training and service.” When the cause did not enjoy the full support of the people, as in Vietnam, or the selection appeared to be random or biased with inequitable service, as in both the Civil...

... fruitful, theoretical and empirical researchon the aggregate elasticity of substitution which has been witnessed over the lastyears.In La Grandville (1989b) and Klump and de La Grandville (2000) the ... the same dimension) and where the weightsfi, fnsum to unity. Special cases of the General Mean are the arithmetic, the geometric and the harmonic means where the order p would be 1, 0, and ... paper was in fact the mergingof two separate submissions to the Review of Economics and Statistics following a paper fromArrow and Solow, and another from Chenery and Minhas.8In the inaugural...