This week on the blog we're rounding up some of the most thought-provoking stories we've found about the semantic web and how it's changing the way web users are discovering, interacting with and buying things online.

Jon Mitchell enjoys Google Plus API, the semantic map which delivers personalised news. Silicon Republic anicipate the ‘Opening Up Government Data’ event at the Digital Enterprise Research Institute next month. Meanwhile, Jake Berger, Programme Manager for the Digital Public Space project, explains how new technologies could take on an Ancient Greek approach to archiving a 'critical mass' of data. And researchers in Europe, correlate internet searches, with shares traded, to predict future financial market activity.

We hope you find the links useful, and if you'd like us to cover any particular aspect of the semantic web in the comments box below.

News360 Crawls the Google Plus API to Personalize News  (ReadWriteWeb)

Rather than using social data to recommend stories just because your friends liked them, News360 creates a semantic map of what stories actually say, determining relevance to the user based on the content itself. News360 now has access to a wealth of user conversations with a variety of audiences. (Jon Mitchell)

Opportunities for citizens as open data revolution goes West (Silicon Republic)

The potential benefits of open data to public authorities, businesses, organisations and citizens will be studied at an ‘Opening Up Government Data’ event at the Digital Enterprise Research Institute (DERI) at NUI Galway next month. (John Kennedy)

Digital Public Space: Turning a big idea into a big thing (BBC Internet Blog)

Fortunately, the emergence of the semantic web and linked data practices and standards means that a modern Metroon – a digital public space – is, at last, a possibility. (Jake Berger)

Can Search Engines Predict Financial Market Activity? (The Zimbabwe Guardian)

It appears thаt Internet user searches via engines such аѕ Yahoo! mау provide a basis fοr predicting financial market activity several days уеt tο bе. Five European researchers ѕtаrtеԁ out frοm thе opinion thаt іf іt іѕ now possible tο forecast tο a сеrtаіn degree thе birth οf social phenomena bу looking аt thе number οf user searches, thіѕ mіɡht apply tο οthеr fields аѕ well. Bу observing fοr one year frοm April 2010 tο Mау 2011 thе searches linked tο NASDAQ 100 companies οn Yahoo! thеу ascertained thаt here іѕ tο bе sure a “collective consciousness” on the Web.