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Journal ArticleDOI

The Cranfield tests on index language devices

TLDR
The authors investigated the effect of different devices on the performance of index languages and found that the most important consideration was the specificity of the index terms; within the context of the conditions existing in this test, singleword terms were more effective than concept terms or a controlled vocabulary.
Abstract
The investigation dealt with the effect which different devices have on the performance of index languages It appeared that the most important consideration was the specificity of the index terms; within the context of the conditions existing in this test, single‐word terms were more effective than concept terms or a controlled vocabulary

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Journal Article

Modern Information Retrieval : A Brief Overview

TL;DR: This article is a brief overview of the key advances in the field of Information Retrieval, and a description of where the state-of-the-art is at inThe field.
Proceedings Article

Baselines and Bigrams: Simple, Good Sentiment and Topic Classification

TL;DR: It is shown that the inclusion of word bigram features gives consistent gains on sentiment analysis tasks, and a simple but novel SVM variant using NB log-count ratios as feature values consistently performs well across tasks and datasets.
Book

Methods for Evaluating Interactive Information Retrieval Systems with Users

TL;DR: In this paper, the authors provide an overview and instruction regarding the evaluation of interactive information retrieval systems with users and present core instruments and data collection techniques and measures, as well as a discussion of outstanding challenges and future research directions.
Patent

Relationship discovery engine

TL;DR: In this article, a system, method, and computer program product discover relationships among items and recommend items based on the discovered relationships, without requiring users to complete questionnaires, using an improved binomial log likelihood ratio analysis technique.
Book ChapterDOI

The Philosophy of Information Retrieval Evaluation

TL;DR: The fundamental assumptions and appropriate uses of the Cranfield paradigm, especially as they apply in the context of the evaluation conferences, are reviewed.