Kristina Lerman
Kristina Lerman

Why your friends have more to be thankful for

Analytics, Social Networks

As Thanksgiving approaches, it may feel like everyone else has so much more to be thankful for. Just check your Facebook, Twitter or Instagram: your friends seem to dine at finer restaurants, take more exotic vacations, and attend more exciting parties. Research suggests this is not simply a matter of perception, but a mathematical fact […]

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Michael L. Brodie, Jennie Duggan
Michael L. Brodie, Jennie Duggan

Big Data Is Opening the Door To Revolutions: Databases Should Be Next

Big Data

Most professional fields, whether in business or academia, rely on data and have done so for centuries. In the digital age and with the emergence of Big Data, this dependency is growing dramatically – perhaps out of proportion to its current value given the concepts, tools, and techniques presently available. For example, how do you […]

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Sihem Amer-Yahia
Sihem Amer-Yahia

Quality Experiments Crowdsourced

Crowdsourcing

Crowdsourcing is a powerful paradigm that democratizes the creation, collection, analysis, curation, and dissemination of data, contributed by millions of individuals, who are called workers. Early crowdsourcing platforms in the context of citizen reporting and citizen sciences were dedicated to specific tasks. Today, many other platforms that expect workers with different expertise exist. Among them, […]

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Melanie Herschel and Yannis Tzitzikas and K. Selcuk Candan and Amelie Marian
Melanie Herschel and Yannis Tzitzikas and K. Selcuk Candan and Amelie Marian

Exploratory search: New name for an old hat?

data exploration

Exploratory search has gained prominence in recent years. There is an increased interest from several scientific communities, from the information retrieval and database to human-computer interaction and visualization communities, in moving beyond the traditional query-browse-refine model supported by web search engines and database systems alike, and towards support for human intelligence amplification and information understanding. […]

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Guy Lohman
Guy Lohman

Is Query Optimization a “Solved” Problem?

Databases

Is Query Optimization a “solved” problem? If not, are we attacking the “right” problems? How should we identify the “right” problems to solve? I asked these same questions almost exactly 25 years ago, in an extended abstract for a Workshop on Database Query Optimization that was organized by the then-Professor Goetz Graefe at the Oregon […]

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