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More database compression means more speed? Right?
From Daniel Lemire's Blog

More database compression means more speed? Right?

Current practical database compression techniques stress speed over compression: Vectorwise is using Super-scalar RAM-CPU cache compression which includes a carefully...

Which should you pick: a bitmap index or a B-tree?
From Daniel Lemire's Blog

Which should you pick: a bitmap index or a B-tree?

Morteza Zaker sent me pointer to their work comparing bitmap indexes and B-trees in the Oracle database. They examine the folklore surrounding bitmap indexes—which...

Procrastination can be your friend
From Daniel Lemire's Blog

Procrastination can be your friend

Procrastination can be a serious problem leading to job loss, high anxiety and even significant psychological disability and dysfunction (according to wikipedia)...

Reading recommendation: Saturn
From Daniel Lemire's Blog

Reading recommendation: Saturn

I just finished Saturn’s children. This is my third

Top 25 Canadian Universities by Research Funding (2009)
From Daniel Lemire's Blog

Top 25 Canadian Universities by Research Funding (2009)

University of Toronto (where I got my B.Sc. and M.Sc.) University of Alberta University of British Columbia Universit

The Secret Behind Radical Innovation
From Daniel Lemire's Blog

The Secret Behind Radical Innovation

Our global knowledge grows in slow, incremental steps. Darwin and Einstein mostly reinterpreted existing ideas. However, practical implementations sometimes take...

Become Independent of Peer Review
From Daniel Lemire's Blog

Become Independent of Peer Review

When I asked the director of a large—and successful—British software house his most serious problem, he said without hesitation “how to prevent clusters of incompetence...

Open Access is the Short-Sighted Fight
From Daniel Lemire's Blog

Open Access is the Short-Sighted Fight

My colleague Stevan Harnad thinks it is silly to boycott for-profit journals. My ex-colleague Stephen Downes admits to being a boycotter, but he claims not to be...

How to Win Academic Debates
From Daniel Lemire's Blog

How to Win Academic Debates

In an academic unit, all professors hold a little bit of power. Yet, unfortunately, professors have nuanced positions. Just like in a democracy, you cannot get...

Working With Industry Helps Researchers?
From Daniel Lemire's Blog

Working With Industry Helps Researchers?

Is it a good idea for an academic researcher to work with industry R&D projects? Yes, in small doses: We find that university-industry relations exercise a positive...

Getting a Ph.D. for the Money?
From Daniel Lemire's Blog

Getting a Ph.D. for the Money?

Many of my Ph.D. students have admitted to being motivated by financial gain. Stanford is famous for their graduate-students-turned-entrepreneurs. Sergey Brin and...

What is more fundamental: Physics or Computer Science?
From Daniel Lemire's Blog

What is more fundamental: Physics or Computer Science?

Computer Science can be taken a natural science: the study of how the universe processes information. If it is a natural science, then does it build on Physics?...

Sensible hashing of variable-length strings is impossible
From Daniel Lemire's Blog

Sensible hashing of variable-length strings is impossible

Consider the problem of hashing an infinite number of keys

A Simplified Open Publishing Manifesto
From Daniel Lemire's Blog

A Simplified Open Publishing Manifesto

Bill Gasarch is proposing a manifesto on Open Scholarship. What a great idea! Imagine thousands of researchers openly agreeing on practices making research more...

The most important Theoretical Computer Science problem is inconsequential
From Daniel Lemire's Blog

The most important Theoretical Computer Science problem is inconsequential

Some consider the P = NP problem to be the most important Theoretical Computer Science problem. It asks whether all problems whose solution can be verified quickly...

On academic branding
From Daniel Lemire's Blog

On academic branding

Good communication is part of our jobs as researchers. And communicating well, in 2009, means having an effective web presence. When I read someone’s paper, and...

The missing research tool
From Daniel Lemire's Blog

The missing research tool

I want to know when a new research paper… is similar to one of my papers; cites one of my papers; is relevant to my current research. Why can’t I have this...

Students using podcasting and skipping class
From Daniel Lemire's Blog

Students using podcasting and skipping class

According to a recent study, students do better if they skip class and listen to the podcasts. The article has been discussed in the New Scientist and the New York...

Are solo authors less cited?
From Daniel Lemire's Blog

Are solo authors less cited?

Sylvie Noël submits to us the following fallacy—which appears in the editorial of a peer-reviewed journal. The editor-in-chief makes the following observation:...

How to fund research properly
From Daniel Lemire's Blog

How to fund research properly

Research is an industry. Unlike other industries, it is often almost entirely bound to government funding. Because research takes a long time to bear fruit, people...
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