Development and evaluation of emerging design patterns for ubiquitous computing. - Eric S. Chung; Jason I. Hong; James Lin; Madhu K. Prabaker; James A. Landay; Alan L. Liu (Conference on Designing Interactive Systems, 2004)

WALRUS: wireless acoustic location with room-level resolution using ultrasound. - Gaetano Borriello; Alan L. Liu; Tony Offer; Christopher Palistrant; Richard Sharp (MobiSys, 2005)

Indoor wayfinding: : developing a functional interface for individuals with cognitive impairments. - Alan L. Liu; Harlan Hile; Henry A. Kautz; Gaetano Borriello; Pat A. Brown; Mark Harniss; Kurt Johnson (ASSETS, 2006)

Implications for Location Systems in Indoor Wayfinding for Individuals with Cognitive Impairments. - Alan L. Liu; Harlan Hile; Gaetano Borriello; Henry A. Kautz; Brian Ferris; Pat A. Brown; Mark Harniss; Kurt Johnson (PervasiveHealth, 2006)

BrickRoad: a light-weight tool for spontaneous design of location-enhanced applications. - Alan L. Liu; Yang Li 059 (CHI, 2007)

Landmark-based pedestrian navigation from collections of geotagged photos. - Harlan Hile; Ramakrishna Vedantham; Gregory Cuellar; Alan L. Liu; Natasha Gelfand; Radek Grzeszczuk; Gaetano Borriello (MUM, 2008)

Customizing directions in an automated wayfinding system for individuals with cognitive impairment. - Alan L. Liu; Harlan Hile; Gaetano Borriello; Pat A. Brown; Mark Harniss; Henry A. Kautz; Kurt Johnson (ASSETS, 2009)

Poster abstract: Gesture recognition via continuous maximum entropy training on accelerometer data. - Alan L. Liu; Jun Yang; Péter Pál Boda (IPSN, 2009)

Landmark-Based Pedestrian Navigation with Enhanced Spatial Reasoning. - Harlan Hile; Radek Grzeszczuk; Alan L. Liu; Ramakrishna Vedantham; Jana Kosecka; Gaetano Borriello (Pervasive, 2009)

Informing the design of an automated wayfinding system for individuals with cognitive impairments. - Alan L. Liu; Harlan Hile; Gaetano Borriello; Henry A. Kautz; Pat A. Brown; Mark Harniss; Kurt Johnson (PervasiveHealth, 2009)

Visual Navigation for Mobile Devices. - Harlan Hile; Alan L. Liu; Gaetano Borriello; Radek Grzeszczuk; Ramakrishna Vedantham; Jana Kosecka (IEEE Multim., 2010)