Faster Path Indexes for Search in XML Data. - Nils Grimsmo (ADC, 2008)

Inverted indexes vs. bitmap indexes in decision support systems. - Truls Amundsen Bjørklund; Nils Grimsmo; Johannes Gehrke; Øystein Torbjørnsen (CIKM, 2009)

Towards unifying advances in twig join algorithms. - Nils Grimsmo; Truls Amundsen Bjørklund (ADC, 2010)

XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes. - Nils Grimsmo; Truls Amundsen Bjørklund; Øystein Torbjørnsen (DBKDA, 2010)

Linear Computation of the Maximum Simultaneous Forward and Backward Bisimulation for Node-Labeled Trees. - Nils Grimsmo; Truls Amundsen Bjørklund; Magnus Lie Hetland (XSym, 2010)

Fast Optimal Twig Joins. - Nils Grimsmo; Truls Amundsen Bjørklund; Magnus Lie Hetland (Proc. VLDB Endow., 2010)

Workload-aware indexing for keyword search in social networks. - Truls Amundsen Bjørklund; Michaela Götz; Johannes Gehrke; Nils Grimsmo (CIKM, 2011)

Bottom Up and Top Down - Twig Pattern Matching on Indexed Trees. - Nils Grimsmo (2012)