"The Semantic Web is not a separate Web but an extension of the current one, in which information is given well-defined meaning, better enabling computers and people to work in cooperation"
About this Quote
Berners-Lee sells the Semantic Web with a disarming bit of rhetorical modesty: not a revolution, an “extension.” That framing is the tell. In the early-2000s moment when this idea hit the mainstream, the Web was already messy, booming, and commercially captured. Promising a whole “separate Web” would have sounded like a moonshot (or a hostile takeover). Calling it an extension is coalition-building: standards bodies, browser makers, academics, and enterprises can imagine incremental adoption without admitting the current system is fundamentally broken.
The key phrase is “well-defined meaning.” It’s a quiet rebuke to the Web’s dominant mode: pages built for humans to skim, not for machines to understand. Berners-Lee isn’t complaining about information scarcity; he’s diagnosing ambiguity as the bottleneck. Search engines can index words, but they can’t reliably infer that “Jaguar” is a car, not a cat, or that two databases mean the same thing by “author.” He’s arguing for a layer of shared semantics - metadata, ontologies, identifiers - that turns a chaotic library into something closer to interoperable infrastructure.
The subtext is political as much as technical. “Better enabling computers and people to work in cooperation” casts the machine as partner, not overlord, and positions meaning-making as a public good rather than a proprietary advantage. It’s also a warning: if we don’t encode meaning in open, shared ways, meaning will be imposed by whichever platforms can most effectively simulate understanding. The Semantic Web, in that light, is Berners-Lee’s enduring project: keep the Web legible, linkable, and governable by its users, not just its algorithms.
The key phrase is “well-defined meaning.” It’s a quiet rebuke to the Web’s dominant mode: pages built for humans to skim, not for machines to understand. Berners-Lee isn’t complaining about information scarcity; he’s diagnosing ambiguity as the bottleneck. Search engines can index words, but they can’t reliably infer that “Jaguar” is a car, not a cat, or that two databases mean the same thing by “author.” He’s arguing for a layer of shared semantics - metadata, ontologies, identifiers - that turns a chaotic library into something closer to interoperable infrastructure.
The subtext is political as much as technical. “Better enabling computers and people to work in cooperation” casts the machine as partner, not overlord, and positions meaning-making as a public good rather than a proprietary advantage. It’s also a warning: if we don’t encode meaning in open, shared ways, meaning will be imposed by whichever platforms can most effectively simulate understanding. The Semantic Web, in that light, is Berners-Lee’s enduring project: keep the Web legible, linkable, and governable by its users, not just its algorithms.
Quote Details
| Topic | Internet |
|---|---|
| Source | Berners-Lee, Tim; Hendler, James; Lassila, Ora. "The Semantic Web." Scientific American, 2001. |
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