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  1. Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval (SIGIR '12)
  2. Clarity re-visited
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Salton award lecture: information retrieval as engineering science
Adaptation of the concept hierarchy model with search logs for query recommendation on intranets
Privacy-aware image classification and search
Diversity by proportionality: an election-based approach to search result diversification
Time-based calibration of effectiveness measures
Combining inverted indices and structured search for ad-hoc object retrieval
TFMAP: optimizing MAP for top-n context-aware recommendation
Modeling the impact of short- and long-term behavior on search personalization
Efficient in-memory top-k document retrieval
Studies of the onset and persistence of medical concerns in search logs
Mining query subtopics from search log data
Efficient query recommendations in the long tail via center-piece subgraphs
Detecting quilted web pages at scale
Explanatory semantic relatedness and explicit spatialization for exploratory search
Image ranking based on user browsing behavior
Predicting the ratings of multimedia items for making personalized recommendations
Automatic refinement of patent queries using concept importance predictors
Modeling user posting behavior on social media
Automatic suggestion of query-rewrite rules for enterprise search
Learning to predict response times for online query scheduling
Learning to rank social update streams
See-to-retrieve: efficient processing of spatio-visual keyword queries
Mining the web for points of interest
Structural relationships for large-scale learning of answer re-ranking
Dual role model for question recommendation in community question answering
Content-based retrieval for heterogeneous domains: domain adaptation by relative aggregation points
Personalized diversification of search results
Quality through flow and immersion: gamifying crowdsourced relevance assessments
Improving retrieval of short texts through document expansion
Confidence-aware graph regularization with heterogeneous pairwise features
A knowledge-based approach for summarising opinions
A framework for manipulating and searching multiple retrieval types
IR paradigms in computational advertising
A hybrid model for ad-hoc information retrieval
Beyond bag-of-words: machine learning for query-document matching in web search
Retrieving information from the book of humanity: the personalized medicine data tsunami crashes on the beach of jeopardy
Adaptive query suggestion for difficult queries
Manhattan hashing for large-scale image retrieval
Explicit relevance models in intent-oriented information retrieval diversification
Time drives interaction: simulating sessions in diverse searching environments
Retrieving similar discussion forum threads: a structure based approach
Increasing temporal diversity with purchase intervals
Improving searcher models using mouse cursor activity
Index maintenance for time-travel text search
A semi-supervised approach to modeling web search satisfaction
Search, interrupted: understanding and predicting search task continuation
Supporting efficient top-k queries in type-ahead search
Fighting against web spam: a novel propagation method based on click-through data
A subjunctive exploratory search interface to support media studies researchers
Modeling concept dynamics for large scale music search
Personalized click shaping through lagrangian duality for online recommendation
Automatic term mismatch diagnosis for selective query expansion
Friend or frenemy?: predicting signed ties in social networks
Time-sensitive query auto-completion
Prefetching query results and its impact on search engines
Collaborative personalized tweet recommendation
Placing images on the world map: a microblog-based enrichment approach
TwiNER: named entity recognition in targeted twitter stream
Top-k learning to rank: labeling, ranking and evaluation
Vote calibration in community question-answering systems
Mixture model with multiple centralized retrieval algorithms for result merging in federated search
Combining implicit and explicit topic representations for result diversification
An IR-based evaluation framework for web search query segmentation
Extending BM25 with multiple query operators
A utility-theoretic ranking method for semi-automated text classification
Adaptive IR for exploratory search support
A visual tool for bayesian data analysis: the impact of smoothing on naive bayes text classifiers
Watson: the Jeopardy! challenge and beyond
Exploiting paths for entity search in RDF graphs
Methods for mining and summarizing text conversations
Learning to suggest: a machine learning framework for ranking query suggestions
Boosting multi-kernel locality-sensitive hashing for scalable image retrieval
AspecTiles: tile-based visualization of diversified web search results
Evaluating aggregated search pages
Summarizing highly structured documents for effective search interaction
Adaptive diversification of recommendation results via latent factor portfolio
Personalization of search results using interaction behaviors in search sessions
Optimizing positional index structures for versioned document collections
Social annotations: utility and prediction modeling
Multi-aspect query summarization by composite query
SimFusion+: extending simfusion towards efficient estimation on large and dynamic networks
Learning hash codes for efficient content reuse detection
Task complexity, vertical display and user interaction in aggregated search
Finding translations in scanned book collections
What reviews are satisfactory: novel features for automatic helpfulness voting
Generating reformulation trees for complex queries
Social-network analysis using topic models
A generalized hidden Markov model with discriminative training for query spelling correction
Online result cache invalidation for real-time web search
Exploring social influence for recommendation: a generative model approach
Where is who: large-scale photo retrieval by facial attributes and canvas layout
Adaptive context features for toponym resolution in streaming news
Robust ranking models via risk-sensitive optimization
Category hierarchy maintenance: a data-driven approach
Reactive index replication for distributed search engines
Using preference judgments for novel document retrieval
On per-topic variance in IR evaluation
Rhetorical relations for information retrieval
Improving tweet stream classification by detecting changes in word probability
Adversarial content manipulation effects
ALF: a client side logger and server for capturing user interactions in web applications
Putting context into search and search into context
A study of term weighting schemes using class information for text classification
Crowdsourcing for search evaluation and social-algorithmic search
User evaluation of query quality
To index or not to index: time-space trade-offs in search engines with positional ranking functions
An exploration of ranking heuristics in mobile local search
Language intent models for inferring user browsing behavior
Group matrix factorization for scalable topic modeling
Proximity-based rocchio's model for pseudo relevance
Cognos: crowdsourcing search for topic experts in microblogs
When web search fails, searchers become askers: understanding the transition
An uncertainty-aware query selection model for evaluation of IR systems
Modeling higher-order term dependencies in information retrieval using query hypergraphs
Predicting quality flaws in user-generated content: the case of wikipedia
Building reputation and trust using federated search and opinion mining
ChatNoir: a search engine for the ClueWeb09 corpus
CloudSearch and the democratization of information retrieval
A topic model of clinical reports
(Big) usage data in web search
Enhancing knowledge base with knowledge transfer
CrowdTerrier: automatic crowdsourced relevance assessments with terrier
Entity sentiment extraction using text ranking
Active query selection for learning rankers
A new look at old tricks: the fertile roots of current research
Improving e-discovery using information retrieval
Distilling and exploring nuggets from a corpus
Anticipatory search: using context to initiate search
Aspect-based opinion mining from product reviews
Opinion influence and diffusion in social network
Integrative online research-data management
BReK12: a book recommender for K-12 users
Experimental methods for information retrieval
Relevance as a subjective and situational multidimensional concept
MaSe: create your own mash-up search interface
Clarity re-visited
IR models: foundations and relationships
Exploiting temporal topic models in social media retrieval
myDJ: recommending karaoke songs from one's own voice
Cluster-based one-class ensemble for classification problems in information retrieval
Patent information retrieval: an instance of domain-specific search
The essence of time: considering temporal relevance as an intent-aware ranking problem
PageFetch: a retrieval game for children (and adults)
Collaborative filtering with short term preferences mining
Medical information retrieval: an instance of domain-specific search
Pictune: situational music recommendation from geotagged pictures
Creating temporally dynamic web search snippets
Visual information retrieval using Java and LIRE
Political search trends
Dependency trigram model for social relation extraction from news articles
Large-scale graph mining and learning for information retrieval
RDF Xpress: a flexible expressive RDF search engine
Detecting candidate named entities in search queries
Query performance prediction for IR
Sketch-based image similarity search with a pen and paper interface
Effect of dynamic pruning safety on learning to rank effectiveness
Collaborative information seeking: art and science of achieving 1+1>2 in IR
Task-aware search assistant
Effect of written instructions on assessor agreement
Advances on the development of evaluation measures
TweetSpector: entity-based retrieval of tweets
Effects of expertise differences in synchronous social Q&A
YooSee: a video browsing application for young children
Efficient estimation of aspect weights
Multi-platform image search using tag enrichment
Emotion tagging for comments of online news by meta classification with heterogeneous information sources
Estimating the magic barrier of recommender systems: a user study
Explaining neighborhood-based recommendations
Exploiting term dependence while handling negation in medical search
Exploring example-based person search in email
Exploring tag relevance for image tag re-ranking
Fast on-line learning for multilingual categorization
Finding interesting posts in Twitter based on retweet graph analysis
Finding readings for scientists from social websites
Finding web appearances of social network users via latent factor model
Fixed versus dynamic co-occurrence windows in TextRank term weights for information retrieval
Gender-aware re-ranking
Genre classification for million song dataset using confidence-based classifiers combination
GLASE 0.1: eyes tell more than mice
How query extensions reflect search result abandonments
Identifying entity aspects in microblog posts
Impact of assessor disagreement on ranking performance
Incorporating statistical topic information in relevance feedback
Inferring missing relevance judgments from crowd workers via probabilistic matrix factorization
Investigating performance predictors using monte carlo simulation and score distribution models
Learning to select a time-aware retrieval model
Learning-based time-sensitive re-ranking for web search
Lightweight contrastive summarization for news comment mining
Looking inside the box: context-sensitive translation for cross-language information retrieval
Making results fit into 40 characters: a study in document rewriting
New assessment criteria for query suggestion
On automatically tagging web documents from examples
On building a reusable Twitter corpus
On judgments obtained from a commercial search engine
On the mathematical relationship between expected n-call@k and the relevance vs. diversity trade-off
On real-time ad-hoc retrieval evaluation
Opinion summarisation through sentence extraction: an investigation with movie reviews
Optimizing parameters of the expected reciprocal rank
Ousting ivory tower research: towards a web framework for providing experiments as a service
Parallelizing ListNet training using spark
Predicting lifespans of popular tweets in microblog
Preliminary study of technical terminology for the retrieval of scientific book metadata records
Queries without clicks: evaluating retrieval effectiveness based on user feedback
Retrieval evaluation on focused tasks
Rewarding term location information to enhance probabilistic information retrieval
Scheduling queries across replicas
Re-examining search result snippet examination time for relevance estimation
Sentiment identification by incorporating syntax, semantics and context information
Short text classification using very few words
Summarizing the differences from microblogs
Survival analysis of click logs
Text selections as implicit relevance feedback
Time to judge relevance as an indicator of assessor error
Towards alias detection without string similarity: an active learning based approach
Towards zero-click mobile IR evaluation: knowing what and knowing when
Twanchor text: a preliminary study of the value of tweets as anchor text
Unsupervised linear score normalization revisited
User-aware caching and prefetching query results in web search engines
Using eye-tracking with dynamic areas of interest for analyzing interactive information retrieval
Using PageRank to infer user preferences
Utilizing inter-document similarities in federated search
Want a coffee?: predicting users' trails
Will this #hashtag be popular tomorrow?
\$100,000 prize jackpot. call now!: identifying the pertinent features of SMS spam

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Clarity re-visited

Content Provider ACM Digital Library
Author Hummel, Shay Kurland, Oren Raiber, Fiana Carmel, David Shtok, Anna
Abstract We present a novel interpretation of Clarity [5], a widely used query performance predictor. While Clarity is commonly described as a measure of the "distance" between the language model of the top-retrieved documents and that of the collection, we show that it actually quantifies an additional property of the result list, namely, its diversity. This analysis, along with empirical evaluation, helps to explain the low prediction quality of Clarity for large-scale Web collections.
Starting Page 1039
Ending Page 1040
Page Count 2
File Format PDF
ISBN 9781450314725
DOI 10.1145/2348283.2348458
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2012-08-12
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Query-performance prediction Clarity
Content Type Text
Resource Type Article
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