Near-optimal labeling schemes for nearest common ancestors. - Stephen Alstrup; Esben Bistrup Halvorsen; Kasper Green Larsen (SODA, 2014)

Distance Labeling Schemes for Trees. - Stephen Alstrup; Inge Li Gørtz; Esben Bistrup Halvorsen; Ely Porat (ICALP, 2016)

Simpler, faster and shorter labels for distances in graphs. - Stephen Alstrup; Cyril Gavoille; Esben Bistrup Halvorsen; Holger Petersen 001 (SODA, 2016)