Web 2.0 is a murky term whose definition even its creators can't articulate. But aspects of Web 2.0 are having an impact on business intelligence that will prove to be profound in a few years.
Tim O'Reilly, who organized the first Web 2.0 conference in 2004, wrote, "You can visualize Web 2.0 as a set of principles and practices that tie together a veritable solar system of sites." So one might conclude that prior to Web 2.0, the Web was a protosolar system, a hot swirling bubble of gas that hadn't coalesced into anything concrete yet. Many observers believe the bubble-bust of late 2001 swept away all the posers and pretenders and left standing only those Web businesses that had a bona fide chance of being viable, like Google. This may be a good metaphor from a market/investor point of view. From a BI perspective, however, we have to dig a little deeper to understand the architectural and functional aspects of Web 2.0 and what effect it will have.
Another fundamental shift in Web 2.0 is the whole process of software distribution. The way BI software is licensed and deployed is still firmly rooted in pre-Internet thinking, unlike Web 2.0 leaders like Google, which operates with no software upgrades, just continuous improvement. There's no upfront licensing cost, just usage, all running on massively scalable commodity hardware running open-source operating systems.
P2P technologies break the Internet down by rendering each client as a server and shredding files so they can be served from multiple locations. An intriguing aspect of this for data warehousing is that the more often a file is requested, the better the performance as more resources are engaged servicing the request. Serving up popular queries and data in this manner will be very different from DBAs creating aggregations, denormalizations and data marts. But new issues will arise too. For instance, when Web 2.0 extends your business processes to your suppliers, customers, partners and regulators in a truly distributed architecture, who will own the data? We might even ask, who owns the metadata?
A tour of large organizations' data warehouse/BI environments would reveal not only a few software and tool vendors garnering most of the business, but little turnover in the group from a decade ago. Open source, a staple of Web 2.0, should have a very large impact on that, posing a threat to the largest DW/BI vendors. --Neil Raden
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