A survey of query auto completion in information retrieval

F Cai, M De Rijke - Foundations and Trends® in Information …, 2016‏ - nowpublishers.com
In information retrieval, query auto completion (QAC), also known as typeahead [**ao et al.,
2013, Cai et al., 2014b] and auto-complete suggestion [Jain and Mishne, 2010], refers to the …

Search result diversification

RLT Santos, C Macdonald, I Ounis - Foundations and Trends® …, 2015‏ - nowpublishers.com
Ranking in information retrieval has been traditionally approached as a pursuit of relevant
information, under the assumption that the users' information needs are unambiguously …

Search result diversification based on hierarchical intents

S Hu, Z Dou, X Wang, T Sakai, JR Wen - … of the 24th ACM international on …, 2015‏ - dl.acm.org
A large percentage of queries issued to search engines are broad or ambiguous. Search
result diversification aims to solve this problem, by returning diverse results that can fulfill as …

[PDF][PDF] Overview of the NTCIR-11 IMine Task.

Y Liu, R Song, M Zhang, Z Dou, T Yamamoto, MP Kato… - NTCIR, 2014‏ - research.nii.ac.jp
In this paper, we provide an overview of the NTCIR IMine task, which is a core task of NTCIR-
11 and also a succeeding work of INTENT@ NTCIR-9 and INTENT2@ NTCIR-10 tasks …

Learning to diversify search results via subtopic attention

Z Jiang, JR Wen, Z Dou, WX Zhao, JY Nie… - Proceedings of the 40th …, 2017‏ - dl.acm.org
Search result diversification aims to retrieve diverse results to satisfy as many different
information needs as possible. Supervised methods have been proposed recently to learn …

Scentbar: A query suggestion interface visualizing the amount of missed relevant information for intrinsically diverse search

K Umemoto, T Yamamoto, K Tanaka - Proceedings of the 39th …, 2016‏ - dl.acm.org
For intrinsically diverse tasks, in which collecting extensive information from different aspects
of a topic is required, searchers often have difficulty formulating queries to explore diverse …

How to run an evaluation task: With a primary focus on ad hoc information retrieval

T Sakai - Information Retrieval Evaluation in a Changing World …, 2019‏ - Springer
This chapter provides a general guideline for researchers who are planning to run a shared
evaluation task for the first time, with a primary focus on simple ad hoc Information Retrieval …

Investigating users' query formulations for cognitive search intents

MP Kato, T Yamamoto, H Ohshima… - Proceedings of the 37th …, 2014‏ - dl.acm.org
This study investigated query formulations by users with\it Cognitive Search Intents (CSIs),
which are users' needs for the cognitive characteristics of documents to be retrieved,\em eg …

Supervised search result diversification via subtopic attention

Z Jiang, Z Dou, WX Zhao, JY Nie… - IEEE Transactions on …, 2018‏ - ieeexplore.ieee.org
Search result diversification aims to retrieve diverse results to satisfy as many different
information needs as possible. Supervised methods have been proposed recently to learn …

[PDF][PDF] Overview of the NTCIR-12 MobileClick-2 Task.

MP Kato, T Sakai, T Yamamoto, V Pavlu, H Morita… - NTCIR, 2016‏ - research.nii.ac.jp
This is an overview of the NTCIR-12 MobileClick-2 task (a sequel to 1CLICK in NTCIR-9 and
NTCIR-10). In the MobileClick task, systems are expected to output a concise summary of …