BigBench Implementation on the Hadoop Ecosystem Badrul Chowdhury‚ Tilmann Rabl‚ and Hans-Arno Jacobsen Middleware Systems Research Group University of Toronto badrul.chowdhury@mail.utoronto.ca‚ tilmann.rabl@utoronto.ca‚ jacobsen@eecg.toronto.edu http://msrg.org Abstract. BigBench is the first proposal for an end to end big data analytics benchmark. It features a rich query set with complex‚ realistic queries. BigBench was developed based on the decision support benchmark TPC-DI. The first proof-of-concept
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Attitudes in a society may be seen to change over time. Citing examples‚ comment on campaigns that have attempted to change attitudes (e.g. same sex marriage). “An attitude is a mental and neutral state of readiness through experience‚ exerting a directive or dynamic influence upon the individual’s response to all objects and situations with which it is related” ( Rollinson‚ 2005).An attitude reflects the attitude holder’s experiences‚ feelings and evaluations of those aspects of their life. The
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Payments for Ecosystem Services Ecosystems purify our air and water‚ help to control our climate and provide goods and services that are often impossible to replace. However‚ many ecosystems are under threat. As the world’s population continues to grow‚ consumption of food‚ water‚ and other materials increases and the ecosystems that provide for these needs are being over-burdened and in some cases destroyed. The concept of Payments for Ecosystem Services (PES) - also refered to as Payments for
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ECOSYSTEMS BIODIVERSITY- the variety of life on Earth and the essential interdependence of all living things. Three components of biodiversity; 1. Genetic- variety within species 2. Species- all different species 3. Ecosystems- can support diversity Advantages of biodiversity Oxygen Food Clean water Medicine Aesthetics Intrinsic vs Utilitarian value Intrinsic value is something that has value in and of itself Utilitarian value is the value something has‚ as a means
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Ecosystem Lab Presentation – Savannas The biome I will be presenting on is a savanna‚ also spelled savannah. Savannas are a type of grassland ecosystem. Savannas house rolling grassland scattered with shrubs and isolated trees. Savannas can be found between a tropical rainforest and desert biome. Inhabitants of the savanna are very diverse and abundant. Some of the wildlife that makes the savanna their home are lions‚ giraffes‚ elephants‚ and zebras just to name a few. There are also various
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The Florida Everglades A Wetlands Ecosystem The Everglades‚ a vast wetlands ecosystem made up of marshes and swamps‚ begins at Lake Okeechobee‚ a large lake in the center of Florida‚ and ends in the Gulf of Mexico and Florida Bay. It is nearly 50 miles across and 110 miles long (Hinrichsen)‚ and when viewed from the air‚ appears to be miles and miles of shallow water flowing through thick mats of grass. This perception has earned it the name "River of Grass". Although it does flow like a river
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collapse. But what was the likely cycle of events leading to the cultural demise?’’ Support your answer with specific points based on the readings. Discuss the role of the engineered environment (especially the reservoirs) and Mayan agricultural strategies. Finally‚ do you think other factors may have also contributed to the Maya collapse? If so‚ explain why. Based on the Scarborough and Haugh readings‚ I believe that the likely cycle of events leading to the cultural demise were from bad or uninformed
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Change-Over-Time Essay These are some general issues with the essays: 1. Choice of region for the topic made it difficult to provide strong historical evidence. Certain regions provided more opportunity for discussion than others. 2. Placed emphasis of essay on the wrong theme (i.e. wrote more about the social aspects when your topic was political). 3. Discussed evidence out of chronological order. It is much easier to trace cause and effect and continuity and change patterns
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effect on marine ecosystems? In this report‚ I will explain how the overfishing of sharks has an effect on marine ecosystems. Also‚ I will be touching on the dangers to sharks worldwide and the catastrophic impacts that the mass depopulation of sharks could have on both animals and humans. Overall‚ sharks worldwide are in danger due to the fact that as many as 100 million sharks are killed each year. This has devastating effects on marine ecosystems due to the fact that sharks help to maintain a
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Biotic and Abiotic Influences on Ecosystems Term Definition Abiotic Factor Non-living factor that affects and ecosystem Biotic Factor Living factor that affects an ecosystem Carrying Capacity Maximum amount of organisms an ecosystem can support Commensalism Relationship where one organism is benefitted while the other is unaffected Competition Relationship where the organisms compete for the same services of the environment Density Dependent Factor Factor that depends on the original density
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