anchor.diff:  In link:http://tinkerpop.apache.org/docs/x.y.z/tutorials/getting-started/#_the_first_five_minutes["The First Five Minutes"]
   of the link:http://tinkerpop.apache.org[Apache TinkerPop] tutorial on how to
   link:http://tinkerpop.apache.org/docs/x.y.z/tutorials/getting-started/[get started] wth TinkerPop and graphs, the
  -importance of the link:http://tinkerpop.apache.org/docs/x.y.z/reference/#gremlin-console[Gremlin Console] was introduced. This
  -tutorial further explores the usage of the console in the daily work of Gremlin developers delving more deeply
  -into the details of its operations and expanding upon the basic usage guide in the
  +importance of the link:http://tinkerpop.apache.org/docs/x.y.z/reference/#gremlin-console[Gremlin Console] was
  +introduced. This tutorial further explores the usage of the console in the daily work of Gremlin developers delving
  +more deeply into the details of its operations and expanding upon the basic usage guide in the
   link:http://tinkerpop.apache.org/docs/x.y.z/reference[reference documentation].
   
   image::gremlin-dashboard.png[width="600",align="center"]
  
positive.code:                   max().next()
  g.V().hasLabel("person").as("person").
        constant((firstYear..(new Date().getYear() + 1900)).toList()).unfold().as("year").
        select("person").coalesce(properties("location").filter(values("startTime").where(gte("year"))).
                                                         order().by("startTime").limit(1),
                                  properties("location").hasNot("endTime")).value().as("location").
        select("person","year","location").by("name").by().by()
  ----
  
  
negative.code: ----
  gremlin> g.V().hasLabel("person").as("person").
  gremlin>       constant((firstYear..(new Date().getYear() + 1900)).toList()).unfold().as("year").
  gremlin>       select("person").coalesce(
  gremlin>         properties("location").filter(values("startTime").where(gte("year"))).
  gremlin>                                order().by("startTime").limit(1),
  gremlin>         properties("location").hasNot("endTime")).value().as("location").
  gremlin>       select("person","year","location").by("name").by().by().
  gremlin>       forEachRemaining{
  gremlin>         def statement = insertInto("locations").
  