URI <http://spinrdf.org/spif#duration> has no registered function factory

[Monika Solanki]

I am following the SPIN Getting started tutorial on TBC ME. I am trying to add this constraint

# an invoice with no paidDate is > 90 days old
ASK WHERE {
    ?this :invoiceDate ?invoiceDate .
    OPTIONAL {
        ?this purchases:paidDate ?paidDate .
    } .
    FILTER ((!bound(?paidDate)) && (spif:duration("d", ?invoiceDate, afn:now()) > 90)) .
}

I get the warning below, though I have imported spinf.ttl

WARN [Thread-78] (E_Function.java:89) - URI <http://spinrdf.org/spif#duration> has no registered function factory

What am I missing?

Thanks,

Monika

[Scott Henninger]

Monica; Try smf:duration() instead.  We will get the tutorial updated, and in the meantime see TopBraid Composer Help > Reference > SPARQL Functions Reference for a list of SPARQL functions supported by TopBraid.

-- Scott

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[Monika Solanki]

Thanks Scott, that worked!

Monika

[Denis Araujo]

Hi, Scott!
OFYI: the SPIN Tutorial was not updated and till now says to use "spif:duration" function.

BTW, an excellent tutorial!
-- Denis

[Holger Knublauch]

Thanks, this must have fallen through the cracks. Done.

Holger

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