Title
Deep Sequential Models for Task Satisfaction Prediction.
Abstract
Detecting and understanding implicit signals of user satisfaction are essential for experimentation aimed at predicting searcher satisfaction. As retrieval systems have advanced, search tasks have steadily emerged as accurate units not only to capture searcher's goals but also in understanding how well a system is able to help the user achieve that goal. However, a major portion of existing work on modeling searcher satisfaction has focused on query level satisfaction. The few existing approaches for task satisfaction prediction have narrowly focused on simple tasks aimed at solving atomic information needs. In this work we go beyond such atomic tasks and consider the problem of predicting user's satisfaction when engaged in complex search tasks composed of many different queries and subtasks. We begin by considering holistic view of user interactions with the search engine result page (SERP) and extract detailed interaction sequences of their activity. We then look at query level abstraction and propose a novel deep sequential architecture which leverages the extracted interaction sequences to predict query level satisfaction. Further, we enrich this model with auxiliary features which have been traditionally used for satisfaction prediction and propose a unified multi-view model which combines the benefit of user interaction sequences with auxiliary features. Finally, we go beyond query level abstraction and consider query sequences issued by the user in order to complete a complex task, to make task level satisfaction predictions. We propose a number of functional composition techniques which take into account query level satisfaction estimates along with the query sequence to predict task level satisfaction. Through rigorous experiments, we demonstrate that the proposed deep sequential models significantly outperform established baselines at both query and task satisfaction prediction. Our findings have implications on metric development for gauging user satisfaction and on designing systems which help users accomplish complex search tasks.
Year
DOI
Venue
2017
10.1145/3132847.3133001
CIKM
Field
DocType
ISBN
Data mining,Architecture,Abstraction,Search engine,Information needs,Information retrieval,Computer science,Artificial intelligence,Machine learning
Conference
978-1-4503-4918-5
Citations 
PageRank 
References 
7
0.45
32
Authors
7
Name
Order
Citations
PageRank
Rishabh Mehrotra126923.45
Ahmed Hassan294357.64
Milad Shokouhi3110950.63
Emine Yilmaz4145996.39
Imed Zitouni561246.39
Ahmed El Kholy6130.90
Madian Khabsa723718.81