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The international annual Quantum Information Processing (QIP) series is the premier meeting for theoretical quantum information research. Since 1998, the conference has featured breakthroughs by the leaders in the disciplines of computing, cryptography, information theory, mathematics and physics. The scientific objective of the series is to gather the theoretical quantum information community to present and discuss the latest groundbreaking work in the field.
Event details
Date: 18–22 January 2017
Location: Seattle, WA
Type: Conference
Dorina Thanou, Philip A. Chou, and Pascal Frossard

This paper addresses the problem of compression of 3D point cloud sequences that are characterized by moving 3D positions and color attributes. As temporally successive point cloud frames share some similarities, motion estimation is key to effective compression of these sequences. It however remains a challenging problem as the point cloud frames have varying numbers of points without explicit correspondence information. We represent the time-varying geometry of these sequences with a set of graphs,...

Publication details
Date: 1 December 2016
Type: Article
Publisher: IEEE – Institute of Electrical and Electronics Engineers
Ricardo L. de Queiroz and Philip A. Chou

In free-viewpoint video, there is a recent trend to represent scene objects as solids rather than using multiple depth maps. Point clouds have been used in computer graphics for a long time and with the recent possibility of real time capturing and rendering, point clouds have been favored over meshes in order to save computation. Each point in the cloud is associated with its 3D position and its color. We devise a method to compress the colors in point clouds which is based on a hierarchical transform...

Publication details
Date: 1 December 2016
Type: Article
Publisher: IEEE – Institute of Electrical and Electronics Engineers
Philip A. Chou and Ricardo L. de Queiroz

We introduce the Gaussian Process Transform (GPT), an orthogonal transform for signals defined on a finite but otherwise arbitrary set of points in a Euclidean domain. The GPT is obtained as the e Transform (KLT) of the marginalization of a Gaussian Process defined on the domain. Compared to the Graph Transform (GT), which is the KLT of a Gauss Markov Random Field over the same set of points whose neighborhood structure is inherited from the Euclidean domain, the GPT retains up to 6 dB higher energy in...

Publication details
Date: 1 September 2016
Type: Inproceeding
Publisher: IEEE – Institute of Electrical and Electronics Engineers
The Microsoft Summer School on the Internet of Things will take place in Kazan, Russia, July 17 to 23, 2016. Our summer schools provide a unique opportunity for students to learn about fundamental and state-of-the-art results and to mingle with world leaders in the field.
Event details
Date: 17–23 July 2016
Location: Kazan, Russia
Type: Other
At the seventeenth annual Microsoft Research Faculty Summit, leading academic researchers and educators will meet with Microsoft researchers and engineers to share ideas and results about some of today’s most exciting new directions in computer science.
Event details
Date: 13–15 July 2016
Location: Redmond, WA, United States
Type: Conference
Anshumali Srivastava, Arnd Christian König, and Misha Bilenko

Obtaining frequency information of data streams, in limited space, is a well-recognized problem in literature. A number of recent practical applications (such as those in computational advertising) require temporally-aware solutions: obtaining historical count statistics for both time-points as well as time-ranges. In these scenarios, accuracy of estimates is typically more important for recent instances than for older ones; we call this desirable property as ``Time Adaptiveness". With this...

Publication details
Date: 26 June 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Rohit Sinha, Manuel Costa, Akash Lal, Nuno Lopes, Sanjit Seshia, Sriram Rajamani, and Kapil Vaswani

Hardware support for isolated execution (such as Intel SGX) enables development of applications that keep their code and data confidential even while running in a hostile or compromised host. However, automatically verifying that such applications satisfy confidentiality remains challenging. We present a methodology for designing such applications in a way that enables certifying their confidentiality. Our methodology consists of forcing the application to communicate with the external world through a...

Publication details
Date: 1 June 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
The tenth Latin American Faculty Summit will bring together thought leaders from academia, government, and Microsoft from a broad range of disciplines from May 18 to 20, 2016. This year, presentations and discussions will focus on artificial intelligence as well as the research being conducted at the Advanced Technology Lab in Rio de Janeiro, exploring the latest findings and innovations in these areas.
Event details
Date: 18–20 May 2016
Location: Rio de Janeiro, Brazil
Type: Conference
Royi Ronen, Gal Lavee, and Elad Yom-Tov

Collaborative filtering (CF) recommendation systems are one of the most popular and successful methods for recommending products to people. CF systems work by finding similarities between different people according to their past purchases, and using these similarities to suggest possible items of interest. Here we investigate how CF systems can be enhanced using Internet browsing data and search engine query logs, both of which represent a rich profile of individuals’ interests. We introduce two...

Publication details
Date: 16 May 2016
Type: Inproceeding
Publisher: IEEE – Institute of Electrical and Electronics Engineers
Moontae Lee, Xiaodong He, Wen-tau Yih, Jianfeng Gao, Li Deng, and Paul Smolensky

Question answering tasks have shown remarkable progress with distributed vector representation. In this paper, we investigate the recently proposed Facebook bAbI tasks which consist of twenty different categories of questions that require complex reasoning. Because the previous work on bAbI are all end-to-end models, errors could come from either an imperfect understanding of semantics or in certain steps of the reasoning. For clearer analysis, we propose two vector space models inspired by Tensor...

Publication details
Date: 2 May 2016
Type: Inproceeding
Meredith Ringel Morris, Annuska Perkins, Catherine Yao, Sina Bahram, Jeffrey P. Bigham, and Shaun K. Kane

Social media is an increasingly important part of modern life. We investigate the use of and usability of Twitter by blind users, via a combination of surveys of blind Twitter users, large-scale analysis of tweets from and Twitter profiles of blind and sighted users, and analysis of tweets containing embedded imagery. While Twitter has traditionally been thought of as the most accessible social media platform for blind users, Twitter’s increasing integration of image content and users’ diverse uses for...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Debaleena Chattopadhyay, Kenton O'Hara, Roman Rädle, and sean rintel

Slide presentations have long been stuck in a one-to-many paradigm, limiting audience engagement. Based on the concept of smartphone-based remote control of slide navigation, we present Office Social—a PowerPoint plugin and companion smartphone app that allows audience members qualified access to slides for personal review and, when the presenter enables it, public control over slide navigation. We studied the longitudinal use of Office Social across four meetings of a workgroup. We found that...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Jaime Teevan, Shamsi T. Iqbal, and Curtis von Veh

This paper presents the MicroWriter, a system that decomposes the task of writing into three types of microtasks to produce a single report: 1) generating ideas, 2) labeling ideas to organize them, and 3) writing paragraphs given a few related ideas. Because each microtask can be completed individually with limited awareness of what has been already done and what others are doing, this decomposition can change the experience of collaborative writing. Prior work has used microtasking to support...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Debaleena Chattopadhyay, Kenton O'Hara, Sean Rintel, and Roman Rädle

Slide presentations have long been stuck in a one-to-many paradigm, limiting audience engagement. Based on the concept of smartphone-based remote control of slide navigation, we present Office Social—a PowerPoint plugin and companion smartphone app that allows audience members qualified access to slides for personal review and, when the presenter enables it, public control over slide navigation. We studied the longitudinal use of Office Social across four meetings of a workgroup. We found that...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Qingwei LIN, Hongyu ZHANG, Jian-Guang LOU, Yu ZHANG, and Xuewei Chen
Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Sean Rintel, Richard Harper, and Kenton O'Hara

This paper reports on how asynchronous mobile video messaging presents users with a challenge to doing ‘being ordinary’. 53 participants from three countries were recruited to try Skype Qik at launch for two weeks. Some participants embraced Skype Qik as a gift economy, emphasizing a special relationship enacted through crafted self-presentation. However, gift exchange makes up only a small proportion of conversation. Many participants struggled with the self-presentation obligations of video when...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Robin Brewer, Meredith Ringel Morris, and Anne Marie Piper

Diversifying participation in crowd work can benefit the worker and requester. Increasing numbers of older adults are online, but little is known about their awareness of or how they engage in mainstream crowd work. Through an online survey with 505 seniors, we found that most have never heard of crowd work but would be motivated to complete tasks by earning money or working on interesting or stimulating tasks. We follow up results from the survey with interviews and observations of 14 older adults...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Miryung Kim, Thomas Zimmermann, Robert DeLine, and Andrew Begel

Creating and running software produces large amounts of raw data about the development process and the customer usage, which can be turned into actionable insight with the help of skilled data scientists. Unfortunately, data scientists with the analytical and software engineering skills to analyze these large data sets have been hard to come by; only recently have software companies started to develop competencies in software-oriented data analytics. To understand this emerging role, we interviewed data...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Charles Kiene, Andrés Monroy-Hernández, and Benjamin Mako Hill
Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Ken Hinckley, Seongkook Heo, Michel Pahud, Christian Holz, Hrvoje Benko, Abigail Sellen, Richard Banks, Kenton O’Hara, Gavin Smyth, and Bill Buxton

Touchscreens continue to advance—including progress towards sensing fingers proximal to the display. We explore this emerging pre-touch modality via a self-capacitance touchscreen that can sense multiple fingers above a mobile device, as well as grip around the screen’s edges. This capability opens up many possibilities for mobile interaction. For example, using pre-touch in an anticipatory role affords an “ad-lib interface” that fades in a different UI—appropriate to the context—as...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Ken Hinckley, Seongkook Heo, Michel Pahud, Christian Holz, Hrvoje Benko, Abigail Sellen, Richard Banks, Kenton O’Hara, Gavin Smyth, and Bill Buxton

Touchscreens continue to advance—including progress towards sensing fingers proximal to the display. We explore this emerging pre-touch modality via a self-capacitance touchscreen that can sense multiple fingers above a mobile device, as well as grip around the screen’s edges. This capability opens up many possibilities for mobile interaction. For example, using pre-touch in an anticipatory role affords an “ad-lib interface” that fades in a different UI—appropriate to the context—as...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
A. Ghosh, V. Wottschel, E. Kaden, J. Zhang, H. Zhang, S. N. Sotiropoulos, D. Zikic, T. B. Dyrby, A. Criminisi, and D. C. Alexander
Publication details
Date: 1 May 2016
Type: Inproceeding
Michael Nebeling, Alexandra To, Anhong Guo, Adrian A. de Freitas, Jaime Teevan, Steven P. Dow, and Jeffrey P. Bigham

The physical constraints of smartwatches limit the range and complexity of tasks that can be completed. Despite interface improvements on smartwatches, the promise of enabling productive work remains largely unrealized. This paper presents WearWrite, a system that enables users to write documents from their smartwatches by leveraging a crowd to help translate their ideas into text. WearWrite users dictate tasks, respond to questions, and receive notifications of major edits on their watch....

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
Munmun De Choudhury, Emre Kıcıman, Mark Dredze, Glen Coppersmith, and Mrinal Kumar

History of mental illness is a major factor behind suicide risk and ideation. However research efforts toward characterizing and forecasting this risk is limited due to the paucity of information regarding suicide ideation, exacerbated by the stigma of mental illness. This paper fills gaps in the literature by developing a statistical methodology to infer which individuals could undergo transitions from mental health discourse to suicidal ideation. We utilize semi-anonymous support communities on Reddit...

Publication details
Date: 1 May 2016
Type: Inproceeding
Publisher: ACM – Association for Computing Machinery
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