This is a diff between 1.1 and 1.2 revisions:

170a170
< FILTER ( line->tpch:extendedprice = ?maxprice )
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> FILTER ( line+>tpch:extendedprice = ?maxprice )
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< { SELECT MAX ( ?l2->tpch:extendedprice ) AS ?maxprice
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> { SELECT MAX ( ?l2+>tpch:extendedprice ) AS ?maxprice
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< SUM(?l->tpch:extendedprice)
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> SUM(?l+>tpch:extendedprice)
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< SELECT ?l->tpch:l_linestatus
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> SELECT ?l+>tpch:l_linestatus
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< ?li->tpch:l_orderkey->tpch:o_custkey->tpch:c_nationkey tpch:n_name "France"
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> ?li+>tpch:l_orderkey+>tpch:o_custkey+>tpch:c_nationkey tpch:n_name "France"
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< SELECT ( ?li->tpch:extendedprice * ?li->tpch:discount )
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> SELECT ( ?li+>tpch:extendedprice * ?li+>tpch:discount )
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< the cartesian product of both. If a property referenced via -> is absent, the
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> the cartesian product of both. If a property referenced via +> is absent, the
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< triple pattern to the enclosing group pattern, thus multiple uses <code>-></code> do not each
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> triple pattern to the enclosing group pattern, thus multiple uses <code>+></code> do not each
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< The <code>-></code> (dereference) operator allows referring to a property without naming
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> The <code>+></code> (dereference) operator allows referring to a property without naming
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< SELECT ( ?line->tpch:extendedprice * ( 1 - ?line->tpch:discount ) )
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> SELECT ( ?line+>tpch:extendedprice * ( 1 - ?line+>tpch:discount ) )