information retrieval 2019




Information Retrieval from Electronic Health Records for Patient Cohort Discovery
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Experiences with the 2013-2016 CLEF Interactive Information Retrieval Tracks.
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This paper describes our experiences with the interactive IR tracks organized at CLEF from 2013-2016 and aggregates the lessons learned with each consecutive instance of the lab. We end with a summary of practical insights and lessons for future collaborative interactive

Medical Retrieval using Structured Information Extracted from Knowledge Bases
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We investigate how semantic relations between concepts extracted from medical documents, and linked to a reference knowledge base, can be employed to improve the retrieval of medical literature. Semantic relations explicitly represent relatedness between

Workshop on Fairness, Accountability, Confidentiality, Transparency, and Safety in Information Retrieval (FACTS-IR)
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This workshop explores challenges in responsible information retrieval system development and deployment. The focus is on determining actionable research agendas on five key dimensions of responsible information retrieval : fairness, accountability, confidentiality

Softcomputing in neutrosophic linguistic modeling for the treatment of uncertainty in information retrieval
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Softcomputing is an extension of different concepts and techniques that try to overcome the difficulties presented by real problems that are imprecise, uncertain and difficult to categorize. The use of Softcomputing contributes to clarify that this term is not in itself a

Preface: The 1st Interdisciplinary Workshop on Algorithm Selection and Meta-Learning in Information Retrieval (AMIR).
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Algorithm selection is a key challenge for most, if not all, computational problems. Typically, there are several potential algorithms that can solve a problem, but which algorithm would perform best (eg in terms of runtime or accuracy) is often unclear. In many domains

Information Retrieval Meets Scalable Text Analytics: Solr Integration with Spark
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Despite the broad adoption of both Apache Spark and Apache Solr, there is little integration between these two platforms to support scalable, end-to-end text analytics. We believe this is a missed opportunity, as there is substantial synergy in building analytical pipelines where

A Review on Analysis of Data Search Scheme for Secure Information Retrieval in Cloud Computing
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Todays businesses want it all: secure data and applications accessible anywhere from any device. Its possible with cloud technology, but there are inherent challenges to making it a reality. What can enterprise businesses do to reap the benefits of cloud technology while

Autumn School for Information Retrieval and Foraging 2018
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Abstract The Autumn School for Information Retrieval and Information Foraging (ASIRF) is a five-day intensive seminar held in mid-September at Schloss Dagstuhl in Saarland, Germany. From September 16 21 in 2018, 20 people from five different countries engaged

Citation Metrics for Legal Information Retrieval Systems.
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Utilization of access tools for effective information retrieval in Nigerian universities libraries
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This study was designed to find out the utilization of access tools for effective information retrieval in Nigerian universities. The specific objectives of the study were to: find out the types of access tools used for information retrieval in Nigerian universities; ascertain the

An Enhanced Concept based Approach for User Centered Health Information Retrieval to Address Presentation Issues
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The diversity of health information seekers signifies the enormous variety of information needs by numerous users. The existing health information retrieval systems failed to address the information needs of both medical expert and laymen patients. This study

A Docker-Based Replicability Study of a Neural Information Retrieval Model
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In this work, we propose a Docker image architecture for the replicability of Neural IR (NeuIR) models. We also share two self-contained Docker images to run the Neural Vector Space Model (NVSM)[22], an unsupervised NeuIR model. The first image we share

Autumn School for Information Retrieval and Information Foraging )
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Abstract The Autumn School for Information Retrieval and Information Foraging (ASIRF) was held October 1 6, 2017 in Wadern, Germany. The school provided students with a review of topics in information retrieval and information behavior through lectures, student

An Enhanced Concept based Approach for user Centered Health Information Retrieval to Address Readability Issues
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Searching for relevant medical guidance has turn out to be a general and notable task executed by internet users. This diversity of quantifiable information explorers indicates the enormous range of information needs and consequently, a key prerequisite for the

Deeptilebars: Visualizing term distribution for neural information retrieval
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Abstract Most neural Information Retrieval (Neu-IR) models derive query-to-document ranking scores based on term-level matching. Inspired by TileBars, a classical term distribution visualization method, in this paper, we propose a novel Neu-IR model that

Efficient Private Information Retrieval
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An Augmented Reality Software Architecture for Information Retrieval
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that are discoverable in the world. The aim of this project is to build such software architectures and to complete a simple application as a case study for illustrating them. This simple case study is an app for discovering information about restaurants that you find as you are walking

Editorial for the 8th Bibliometric-enhanced Information Retrieval Workshop at ECIR 2019.
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The Bibliometric-enhanced Information Retrieval workshop series (BIR) at ECIR tackles issues related to academic search, at the crossroads between Information Retrieval and Bibliometrics. BIR is a hot topic investigated by both academia

Introduction to information retrieval
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As recently as the 1990s, studies showed that most people preferred getting information from other people rather than from information retrieval systems. Of course, in that time period, most people also used human travel agents to book their travel. However, during the

Search engines: Information retrieval in practice
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Page 1. Search Engines Information Retrieval in Practice W. BRUCE CROFT University of Massachusetts, Amherst DONALD METZLER Yahoo! Research TREVOR STROHMAN Google Inc. Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam

Modern information retrieval : A brief overview
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For thousands of years people have realized the importance of archiving and finding information . With the advent of computers, it became possible to store large amounts of information ; and finding useful information from such collections became a necessity. The

Information retrieval interaction
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Information Retrieval Interaction was first published in 1992 by Taylor Graham Publishing. This electronic version, published in 200 was converted to from the original manuscript with no changes apart from typographical adjustments. It has been ensured that

Information retrieval for music and motion
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Recent years have seen enormous advances in computerization and digitization as well as a corresponding growth in the use of information technology allowing users to access and experience multimedia content on an unprecedented scale. In this context, great efforts have

TREC: Experiment and evaluation in information retrieval
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TREC, the Text Retrieval Conference, is the information retrieval (IR) communitys annual evaluation forum, sponsored by the US Department of Defense and the National Institute of Standards and Technology (NIST). The event is split into tracks (eg, ad hoc retrieval , filtering

Music information retrieval
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Imagine a world where you walk up to a computer and sing the song fragment that has been plaguing you since breakfast. The computer accepts your off-key singing, corrects your request, and promptly suggests to you that Camptown Races is the cause of your irritation

Anomalous states of knowledge as a basis for information retrieval
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Most research and theory in infor-. La majorit des recherches et des mation retrieval has been concerned th ories dans le domaine du rep rage de with document representation and with l information se sont attach es à la the mechanisms of what is known as the

An overview of audio information retrieval
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The problem of audio information retrieval is familiar to anyone who has returned from vacation to find an answering machine full of messages. While there is not yet an AltaVista for the audio data type, many workers are finding ways to automatically locate, index, and

An association thesaurus for information retrieval
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Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent bene ts for retrieval performance, and it is di cult to construct a thesaurus automatically for large text databases. In this paper, an

Remembrance Agent: A continuously running automated information retrieval system
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Abstract The Remembrance Agent (RA) is a program which augments human memory by displaying a list of documents which might be relevant to the users current context. Unlike most information retrieval systems, the RA runs continuously without user intervention. Its

Serendipitous Information Retrieval .
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The acquisition of information is generally thought to be deliberately sought using a search or query mechanism or by browsing or scanning an information space. People, however, find information without seeking it through accidental, incidental or serendipitous

Implementation of the SMART information retrieval system
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The SMART information retrieval package is a set of programs composing a fully automatic document retrieval system. It allows easy creation, maintenance, and use of on line document collections. As more information is being kept on-line every day; it becomes more

Improving tag-clouds as visual information retrieval interfaces
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Tagging-based systems enable users to categorize web resources by means of tags (freely chosen keywords), in order to refinding these resources later. Tagging is implicitly also a social indexing process, since users share their tags and resources, constructing a social

Introduction to information retrieval
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The dotted cone represents the region whose points are within a cosine of. 9 from q. All documents about human-computer documents (c1-c5) are near q, even c3/c5 although they share no terms. None of the graph theory documents (m1-m4) are near q.

A survey of music information retrieval systems
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This survey paper provides an overview of content-based music information retrieval systems, both for audio and for symbolic music notation. Matching algorithms and indexing methods are briefly presented. The need for a TREC-like comparison of matching algorithms

Intelligent information retrieval : whose intelligence
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The concept ofintelligent information retrieval was first mooted in the late 1970s, but had lost currency within the information retrieval Community by at least the early 1990s. With the popularity of the concept ofintelligent agents, it appears thatthe idea of intelligent

Exponential family harmoniums with an application to information retrieval
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Directed graphical models with one layer of observed random variables and one or more layers of hidden random variables have been the dominant modelling paradigm in many research fields. Although this approach has met with considerable success, the causal

Context-aware retrieval : Exploring a new environment for information retrieval and information filtering
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The opportunities for context-aware computing are fast expanding. Computing systems can be made aware of their environment by monitoring attributes such as their current location, the current time, the weather, or nearby equipment and users. Context-aware computing

Qualitative methods in information retrieval research
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This review of the literature shows that the number of research projects in information retrieval (IR) that employ qualitative methods is on the rise. Although no agreed-upon definition exists for the concept qualitative research, a number of typical characteristics

Image information retrieval : An overview of current research
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This paper provides an overview of current research in image information retrieval and provides an outline of areas for future research. The approach is broad and interdisciplinary and focuses on three aspects of image research (IR): text-based retrieval , content-based

Information Retrieval in Distributed Hypertexts.
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Hypertext is a generalization of the conventional linear text into a non-linear text formed by adding cross-reference and structural links between different pieces of text. A hypertext can be regarded as an extension of a textual database by adding a link structure among the

Learning information retrieval agents: Experiments with automated web browsing
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The current exponential growth of the Internet precipitates a need for new tools to help people cope with the volume of information . To complement recent work on creating searchable indexes of the World-Wide Web and systems for filtering incoming e-mail and

A study of information retrieval weighting schemes for sentiment analysis
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Most sentiment analysis approaches use as baseline a support vector machines (SVM) classifier with binary unigram weights. In this paper, we explore whether more sophisticated feature weighting schemes from Information Retrieval can enhance classification accuracy

A survey on private information retrieval
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Alice wants to query a database but she does not want the database to learn what she is querying. She can ask for the entire database. Can she get her query answered with less communication One model of this problem is Private Information Retrieval , henceforth PIR

The use of WordNet in information retrieval
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WordNet has been used in information retrieval research by many researchers, but failed to improve the performance of their retrieval system. Thereby in this paper we investigate why the use of WordNet has not been successful. Based on this analysis we propose a method of

Using WordNet in a knowledge-based approach to information retrieval
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The application of natural language processing tools and techniques to information retrieval tasks has long since been identified as potentially useful for the quality of information retrieval . Traditionally, IR has been based on matching words or terms in a query with words

Temporal Information Retrieval : Challenges and Opportunities.
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Time is an important dimension of any information space. It can be very useful for a wide range of information retrieval tasks such as document exploration, similarity search, summarization, and clustering. Traditionally, information retrieval applications do not take

New models in probabilistic information retrieval
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Page 1. British Library R D Report no. 5587 NEW MODELS IN PROBABILISTIC INFORMATION RETRIEVAL CJ van Rijsbergen SE Robertson MF Porter Computer Laboratory University of Cambridge Corn Exchange Street Cambridge CB2 3QG England (c) 1980 Page 2. Page 3

Stylistic experiments in information retrieval
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Texts vary in many ways. Authors make choices when they write a text: they decide how to organize the material they have planned to introduce; they make choices between synonyms and syntactic constructions; they choose an intended audience for the text. Authors will make these choices

On the computational practicality of private information retrieval
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We explore the limits of single-server computational private information retrieval (PIR) for the purpose of preserving client access patterns leakage. We show that deployment of non- trivial single server PIR protocols on real hardware of the recent past would have been

Information retrieval perspective to nonlinear dimensionality reduction for data visualization.
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Nonlinear dimensionality reduction methods are often used to visualize high-dimensional data, although the existing methods have been designed for other related tasks such as manifold learning. It has been difficult to assess the quality of visualizations since the task

The Z39. 50 information retrieval standard
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The Z39. 50 standard for information retrieval is important from a number of perspectives. While still not widely known within the computer networking community, it is a mature standard that represents the culmination of two decades of thinking and debate about how

Homonymy and polysemy in information retrieval
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This paper discusses research on distinguishing word meanings in the context of information retrieval systems. We conducted experiments with three sources of evidence for making these distinctions: morphology, part-of-speech, and phrases. We have focused on

Interactive information retrieval
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Information retrieval is a fundamental component of human information behavior. The ability to extract useful information from large electronic resources not only is one of the main activities of individuals online but is an essential skill for most professional groups and a

Upper bound on the communication complexity of private information retrieval
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Much attention has been given to the problem of protecting a database from a user that tries to retrieve an information that he is not allowed to access[ 12]. In some scenarios, an opposite problem can appear: a user wishes to retrieve some infomation from a database without revealing

Challenges in building large-scale information retrieval systems
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Page 1. Challenges in Building Large-Scale Information Retrieval Systems Jeff Dean Google Senior Fellow jeff@google.com Page 2. Challenging blend of science and engineering Many interesting, unsolved problems Spans many areas of CS: architecture, distributed systems

The stratified model of information retrieval interaction: Extension and applications
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User-system interaction is a critical aspect for IR and digital libraries as well. Thus, a better understanding and modeling of these processes is of great importance to efforts aimed at making these systems more user responsive. The traditional IR model, with all its strengths

Automatic cross-linguistic information retrieval using latent semantic indexing
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We describe a method for fully automated cross-language document retrieval in which no query translation is required. Queries in one language can retrieve documents in other languages (as well as the original language). This is accomplished by a method that

Exploiting a Large Thesaurus for Information Retrieval .
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1. Background Accuracy in information retrieval , that is, achieving both high recall and precision, is challenging because the relationship between natural language and semantic conceptual structure is not straightforward. However, effective retrieval requires that the