For current information, see hawke.org. As of 2021-04-12, this page is archival, and no more updates are expected.
sandro@hawke.org hawke.org/sandro blog
2017-present Credible Web Community Group, chair and activity lead.
2015-2018 W3C Social Web Activity, including WebSub, ActivityStreams, ActivityPub, etc.
2017. SocDB (Social Database): decentralization on top of social media
2017. W3C.social mastodon server for W3C community
2014. Talking at SemTech:
2014. Crosscloud Poster (for QCRI-CSAIL annual meeting), and talk Building Social Applications with the Linked Data Platform (for Cambridge Semantic Web Meetup). Narrated cimba demo video.
2014. Revised TurtlePatch, with a viable solution to the blank-node problem.
2013. First grant for a crosscloud project awarded by Knight Foundation (video is from years earlier, about linked data in general). Ended up not actually using that grant for complex reasons, but grants from QCRI and NSF followed quickly.
2013. Talks: What's new in RDF 1.1 (to Cambridge Semantic Web Meetup), What's new in RDF 1.1 (to SemTechBiz), Vocabularies at W3C: Observations and Options (to SemTechBiz), Crosscloud: Let Users Control Their Data and We All Benefit (to Linked Data Ventures class at MIT)
2012. Talks: (first crosscloud talk) (to DIG).
2010-2013. W3C Staff contact for SPARQL 1.1, RDF 1.1, Government Linked Data Working Groups.
2011. Talks: Enabling the Data Ecosystem with RIF (to SemTechBiz), Getting Started at W3C (to GLD WG Kickoff).
2010 Video: An Introduction to Linked Data
2010. Talks: Toward Standards for NoSQL> (to Noq SQL Live from Boston), Government Linked Data (to W3C Advisory Committee), Linked Open Data...in 10 Minutes (to FOSE, slides 26-33), Introduction to RDF (ISWC Tutorial), E-Government at W3C (ISWC Tutorial), Linked Data 101 (ISWC Tutorial), RIF Features and Dialects (ISWC Talk), Report from ISWC (to Boston Semantic Technologies Summit).
2009. bootstrapping decentralized sparql, one of my best ideas. I observed that maintaining a database of backlinks would allow decentralized query (and thus decentralized social software).
2009. Two invited talks: RIF: Bringing Order to Chaos (RuleML 2009 Keynote), and Semantics for the Rest of us (ISWC 2009 Workshop Keynote)
2009. riftr is a RIF translation engine.
2005-2009. RIF Rule Interchange Format. I'm the staff contact for this Working Group. Currently a W3C Candidate Recommendation.
2007-2009. OWL 2. I'm the primary staff contact for the OWL Working Group. Now a W3C Recommendation.
2009. CommonScribe is a tool I wrote to make scribing meeting easier, for my Working Groups.
2009. revdoc is a tool I wrote to make publishing W3C Technical Reports easier. In particular, it made it practical for OWL to publish 13 interlinked TRs at the same time.
2008. XTAN (XML Transform-As-Needed) is the future of forward-compatibility and cheap interoperability, unless it's not. Maybe an RDF version would be better. source code.
2007. asn06 and asn07 were attempts to bridge the space between grammars (BNF, XML Schema) and ontologies (OWL), in service to RIF extensibility. source code.
2005. W3C Workshop on Rule Languages for Interoperability and the RIF Charter
2004. Semwalker, a server-side linked-data browser. A retrospective talk given in 2006. Source Code
2004. Ontaria A SemWalker installation intended to serve as W3C's central ontology directory.
2004. N3/Cwm tutorial (with TimBL and DanC
2003. Surnia was an OWL Full reasoner built using the naive approach of: throw it all at a first-order theorem prover. It can be useful to help see the limits of that approach, but it was only a few weeks work.
2003. OWL I stepped in as co-staff contact with Dan Connolly, on the Web Ontology Working Group.
2003. URIs. I worried a lot about Overload URIs. Experimenting with writing in wiki in those days.... (use "info" to just look at the last version I wrote?)
2002. LX, (Logic eXchange) a sort of pre-cursor to RIF, built into cwm. See Using Reification To Extend RDF.
2002. Thinking about Semantic Web architecture.
2002. CoWork ontology and tools
2001. Blindfold, a grammar-based system for translating among RDF serialization languages. (I have some more recent work on this concept, in Python, somewhere.)
2001. C++ SemWeb Library (mixed in with blindfold), and Perl SemWeb Library.
2001. The tag: URI Scheme (RFC-4151). This was my first reaction to encountering HTTP URIs used in RDF — to say don't! — before I saw the utility of linked data. Work on the RFC was essentially done in 2001, but it took four more years to get through the IESG.
2001. Various Writing.
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