Search results for "web search"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
4	Jiang Bian, Tie-Yan Liu, Tao Qin, Hongyuan Zha	Ranking with query-dependent loss for web search.	WSDM	2010	DBLP DOI BibTeX RDF	query difference, query-dependent loss function, ranking for web search
4	Kay-Uwe Schmidt, Tobias Sarnow, Ljiljana Stojanovic	Socially filtered web search: an approach using social bookmarking tags to personalize web search.	SAC	2009	DBLP DOI BibTeX RDF	information retrieval, personalization, web 2.0, web search, tagging, social bookmarking, personalized web search
4	Xuerui Wang, Andrei Z. Broder, Evgeniy Gabrilovich, Vanja Josifovski, Bo Pang	Cross-language query classification using web search for exogenous knowledge.	WSDM	2009	DBLP DOI BibTeX RDF	web search, relevance feedback, machine translation, query classification
4	Ryen W. White, Susan T. Dumais, Jaime Teevan	Characterizing the influence of domain expertise on web search behavior.	WSDM	2009	DBLP DOI BibTeX RDF	web search, domain expertise
4	Fan Guo, Chao Liu 0001, Yi Min Wang	Efficient multiple-click models in web search.	WSDM	2009	DBLP DOI BibTeX RDF	web search, statistical models, click log analysis
4	Roman Y. Shtykh, Jian Chen, Qun Jin	Slide-Film Interface: Overcoming Small Screen Limitations in Mobile Web Search.	ECIR	2008	DBLP DOI BibTeX RDF	mobile Web search, mobile Web search interface, slide-film inter-face, paging, scrolling
4	Paul Heymann, Georgia Koutrika, Hector Garcia-Molina	Can social bookmarking improve web search?	WSDM	2008	DBLP DOI BibTeX RDF	web search, collaborative tagging, social bookmarking
4	Barry Smyth	A Community-Based Approach to Personalizing Web Search.	IEEE Computer	2007	DBLP DOI BibTeX RDF	search, personalized Web search, collaborative Web search
4	Eugene Agichtein, Eric Brill, Susan T. Dumais	Improving web search ranking by incorporating user behavior information.	SIGIR	2006	DBLP DOI BibTeX RDF	web search, implicit relevance feedback, web search ranking
3	Vijay Janapa Reddi, Benjamin C. Lee, Trishul M. Chilimbi, Kushagra Vaid	Web search using mobile cores: quantifying and mitigating the price of efficiency.	ISCA	2010	DBLP DOI BibTeX RDF	bing, mobile cores, energy efficiency, web search
3	Yvonne Kammerer, Wolfgang Beinhauer	Gaze-based web search: the impact of interface design on search result selection.	ETRA	2010	DBLP DOI BibTeX RDF	search result selection, search results interfaces, web search, input devices, gaze-based interaction
3	Claudia d'Amato, Floriana Esposito, Nicola Fanizzi, Bettina Fazzinga, Georg Gottlob, Thomas Lukasiewicz	Inductive reasoning and semantic web search.	SAC	2010	DBLP DOI BibTeX RDF	semantic web search, ontologies, semantic web, description logics, semantic search, conjunctive queries, inductive reasoning
3	Timothy Jones, David Hawking, Ramesh S. Sankaranarayana	Live web search experiments for the rest of us.	WWW	2010	DBLP DOI BibTeX RDF	browser extensions, implicit measures, web search
3	Tom Rowlands, David Hawking, Ramesh Sankaranarayana	New-web search with microblog annotations.	WWW	2010	DBLP DOI BibTeX RDF	information retrieval, search, web search, twitter, demonstration, microblogging
3	Rodrygo L. T. Santos, Craig Macdonald, Iadh Ounis	Exploiting query reformulations for web search result diversification.	WWW	2010	DBLP DOI BibTeX RDF	web search, diversity, relevance
3	Jiang Bian, Xin Li, Fan Li, Zhaohui Zheng, Hongyuan Zha	Ranking specialization for web search: a divide-and-conquer approach by using topical RankSVM.	WWW	2010	DBLP DOI BibTeX RDF	ranking specialization for web search, ranking-sensitive query topic, topical RankSVM
3	Xiaoxin Yin, Sarthak Shah	Building taxonomy of web search intents for name entity queries.	WWW	2010	DBLP DOI BibTeX RDF	web search intent, query clustering
3	Ali Dasdan, Kostas Tsioutsiouliklis, Emre Velipasaoglu	Web search engine metrics: (direct metrics to measure user satisfaction).	WWW	2010	DBLP DOI BibTeX RDF	comprehensiveness metrics, content freshness metrics, discovery freshness metrics, diversity metrics, presentation metrics, relevance metrics, web search, web metrics, coverage metrics
3	Jose M. Conde, David Vallet, Pablo Castells	Inferring user intent in web search by exploiting social annotations.	SIGIR	2010	DBLP DOI BibTeX RDF	context, web search, folksonomy
3	Xing Yi, James Allan	A content based approach for discovering missing anchor text for web search.	SIGIR	2010	DBLP DOI BibTeX RDF	anchor text sparsity, content similarity, web search, language models, relevance models, anchor text
3	Ingmar Weber, Carlos Castillo	The demographics of web search.	SIGIR	2010	DBLP DOI BibTeX RDF	demographic factors, web search
3	Na Dai, Brian D. Davison	Capturing page freshness for web search.	SIGIR	2010	DBLP DOI BibTeX RDF	web freshness, web search, temporal correlation
3	Santosh Raju, Shaishav Kumar, Raghavendra Udupa	Suggesting related topics in web search.	SIGIR	2010	DBLP DOI BibTeX RDF	topic suggestions, web search
3	Anlei Dong, Yi Chang, Zhaohui Zheng, Gilad Mishne, Jing Bai, Ruiqiang Zhang, Karolina Buchner, Ciya Liao, Fernando Diaz	Towards recency ranking in web search.	WSDM	2010	DBLP DOI BibTeX RDF	recency ranking, recency sensitive query classification, temporal
3	Georges Dupret, Ciya Liao	A model to estimate intrinsic document relevance from the clickthrough logs of a web search engine.	WSDM	2010	DBLP DOI BibTeX RDF	search engines, clickthrough data, user behavior model
3	Kevin McNally, Michael P. O'Mahony, Barry Smyth, Maurice Coyle, Peter Briggs	Towards a reputation-based model of social web search.	IUI	2010	DBLP DOI BibTeX RDF	heystaks, collaborative web search, reputation model
3	Olivier Chapelle, Pannagadatta K. Shivaswamy, Srinivas Vadrevu, Kilian Q. Weinberger, Ya Zhang, Belle L. Tseng	Multi-task learning for boosting with application to web search ranking.	KDD	2010	DBLP DOI BibTeX RDF	decision trees, web search, ranking, boosting, multi-task learning
3	Berkant Barla Cambazoglu, Hugo Zaragoza, Olivier Chapelle, Jiang Chen, Ciya Liao, Zhaohui Zheng, Jon Degenhardt	Early exit optimizations for additive machine learned ranking systems.	WSDM	2010	DBLP DOI BibTeX RDF	early exit, optimization, machine learning, web search
3	Venkatesh Ganti, Arnd Christian König, Xiao Li	Precomputing search features for fast and accurate query classification.	WSDM	2010	DBLP DOI BibTeX RDF	web search, query classification, vertical search
3	Sarah K. Tyler, Jaime Teevan	Large scale query log analysis of re-finding.	WSDM	2010	DBLP DOI BibTeX RDF	web search, query log analysis, re-finding
3	Kuansan Wang, Nikolas Gloy, Xiaolong Li	Inferring search behaviors using partially observable Markov (POM) model.	WSDM	2010	DBLP DOI BibTeX RDF	partially observable markov model, segmental viterbi algorithm, web search behaviors, eye tracking, search log mining
3	Cam-Tu Nguyen, Xuan Hieu Phan, Susumu Horiguchi, Thu-Trang Nguyen, Quang-Thuy Ha	Web Search Clustering and Labeling with Hidden Topics.	ACM Trans. Asian Lang. Inf. Process.	2009	DBLP DOI BibTeX RDF	Web search clustering, hidden topics analysis, Latent Dirichlet allocation, collocation, Hierarchical Agglomerative Clustering, cluster labeling, Vietnamese
3	Fan Guo, Chao Liu 0001, Anitha Kannan, Tom Minka, Michael J. Taylor, Yi Min Wang, Christos Faloutsos	Click chain model in web search.	WWW	2009	DBLP DOI BibTeX RDF	web search, bayesian models, click log analysis
3	Surajit Chaudhuri, Venkatesh Ganti, Dong Xin	Exploiting web search to generate synonyms for entities.	WWW	2009	DBLP DOI BibTeX RDF	synonym generation, web search, similarity measure, entity extraction
3	Jay Chen, Lakshminarayanan Subramanian, Jinyang Li	RuralCafe: web search in the rural developing world.	WWW	2009	DBLP DOI BibTeX RDF	intermittent network, low bandwidth, world wide web, web search
3	Olivier Chapelle, Ya Zhang	A dynamic bayesian network click model for web search ranking.	WWW	2009	DBLP DOI BibTeX RDF	click modeling, web search, ranking, dynamic bayesian network, click-through rate
3	Katsumi Tanaka	Web search and information credibility analysis: bridging the gap between Web1.0 and Web2.0.	ICUIMC	2009	DBLP DOI BibTeX RDF	information credibility analysis, web search, overview, multimedia contents
3	Yuki Arase, Takahiro Hara, Shojiro Nishio	User Profiling for Web Search Based on Biological Fluctuation.	HCI	2009	DBLP DOI BibTeX RDF	biological fluctuation, Web search, User profile
3	Stein L. Tomassen, Darijus Strasunskas	An ontology-driven approach to web search: analysis of its sensitivity to ontology quality and search tasks.	iiWAS	2009	DBLP DOI BibTeX RDF	feature vector construction, ontology quality, ontology, web search, semantic search
3	Jianfeng Gao, Wei Yuan, Xiao Li, Kefeng Deng, Jian-Yun Nie	Smoothing clickthrough data for web search ranking.	SIGIR	2009	DBLP DOI BibTeX RDF	discounting, web search, random walk, smoothing, learning to rank, clickthrough data
3	Dell Zhang, Jinsong Lu	What queries are likely to recur in web search?	SIGIR	2009	DBLP DOI BibTeX RDF	web search, web mining, personalisation, query log analysis
3	Hilal Ali, Falk Scholer, James A. Thom, Mingfang Wu	User interaction with novel web search interfaces.	OZCHI	2009	DBLP DOI BibTeX RDF	search result presentation, eye tracking, web search interfaces
3	Saleema Amershi, Meredith Ringel Morris	Co-located collaborative web search: understanding status quo practices.	CHI Extended Abstracts	2009	DBLP DOI BibTeX RDF	web search, search interfaces, collaborative search
3	Flavio T. P. Oliveira, Anne Aula, Daniel M. Russell	Discriminating the relevance of web search results with measures of pupil size.	CHI	2009	DBLP DOI BibTeX RDF	pupil dilation, relevance, web search results
3	m. c. schraefel, Ryen W. White, Paul André, Desney S. Tan	Investigating web search strategies and forum use to support diet and weight loss.	CHI Extended Abstracts	2009	DBLP DOI BibTeX RDF	weight loss, web search, obesity, forums, diet
3	Paul André, Jaime Teevan, Susan T. Dumais	From x-rays to silly putty via Uranus: serendipity and its role in web search.	CHI	2009	DBLP DOI BibTeX RDF	partially relevant results, personalization, web search, serendipity
3	Jay Chen, Lakshminarayanan Subramanian, Kentaro Toyama	Web search and browsing behavior under poor connectivity.	CHI Extended Abstracts	2009	DBLP DOI BibTeX RDF	intermmittent network, low bandwidth, world wide web, web search, web browsing
3	Benjamin Piwowarski, Georges Dupret, Rosie Jones	Mining user web search activity with layered bayesian networks or how to capture a click in its context.	WSDM	2009	DBLP DOI BibTeX RDF	user modelling, query log analysis, click-through data, web retrieval, relevance prediction
3	Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuka	Measuring the similarity between implicit semantic relations using web search engines.	WSDM	2009	DBLP DOI BibTeX RDF	relational similarity measures, web mining
3	Ricardo A. Baeza-Yates, Aristides Gionis, Flavio Junqueira, Vassilis Plachouras, Luca Telloli	On the feasibility of multi-site web search engines.	CIKM	2009	DBLP DOI BibTeX RDF	distributed systems, query processing, web search, cost model
3	Makoto Nakatani, Adam Jatowt, Katsumi Tanaka	Easiest-first search: towards comprehension-based web search.	CIKM	2009	DBLP DOI BibTeX RDF	wikipedia mining, web search, comprehensibility, readability
3	Hao Ma, Raman Chandrasekar, Chris Quirk, Abhishek Gupta	Page Hunt: using human computation games to improve web search.	KDD Workshop on Human Computation	2009	DBLP DOI BibTeX RDF	web search, relevance, human computation games
3	Kuansan Wang, Toby Walker, Zijian Zheng	PSkip: estimating relevance ranking quality from web search clickthrough data.	KDD	2009	DBLP DOI BibTeX RDF	pSkip, relevance metrics, web search, implicit feedback, ndcg
3	Guangyu Zhu, Gilad Mishne	Mining rich session context to improve web search.	KDD	2009	DBLP DOI BibTeX RDF	aggregate user behavior, clickrank, intentional surfer model, web search, learning to rank
3	Michael Bendersky, W. Bruce Croft	Finding text reuse on the web.	WSDM	2009	DBLP DOI BibTeX RDF	web search, information flow, text reuse
3	Ramakrishna Varadarajan, Vagelis Hristidis, Tao Li	Beyond Single-Page Web Search Results.	IEEE Trans. Knowl. Data Eng.	2008	DBLP DOI BibTeX RDF	Web Search, Retrieval Models, Search process, Internet search
3	Xiao-Bing Xue, Zhi-Hua Zhou, Zhongfei (Mark) Zhang	Improving Web search using image snippets.	ACM Trans. Internet Techn.	2008	DBLP DOI BibTeX RDF	Image snippet, image suggestion, interactive Web search, term suggestion, relevance feedback, multimodality
3	Edleno Silva de Moura, Célia Francisca dos Santos, Bruno Dos Santos de Araujo, Altigran Soares da Silva, Pável Calado, Mario A. Nascimento	Locality-Based pruning methods for web search.	ACM Trans. Inf. Syst.	2008	DBLP DOI BibTeX RDF	information retrieval, search, indexing, search engines, web search, Pruning
3	Ryen W. White, Mikhail Bilenko, Silviu Cucerzan	Leveraging popular destinations to enhance Web search interaction.	TWEB	2008	DBLP DOI BibTeX RDF	enhanced Web search, search destinations, User studies
3	Panagiotis Takis Metaxas, Lilia Ivanova, Eni Mustafaraj	New Quality Metrics for Web Search Results.	WEBIST (Selected Papers)	2008	DBLP DOI BibTeX RDF	Recall coverage, Adversarial information retrieval, Web search, Precision, Independence, Web spam, Quality metrics
3	Rui Huang, Zhongzhi Shi	Enhancing Web Search with Heterogeneous Semantic Knowledge.	Intelligent Information Processing	2008	DBLP DOI BibTeX RDF	ontology, semantic Web, Web 2.0, Web search, semantic search, social annotation
3	Meredith Ringel Morris, Jaime Teevan, Steve Bush	Enhancing collaborative web search with personalization: groupization, smart splitting, and group hit-highlighting.	CSCW	2008	DBLP DOI BibTeX RDF	group search, web search, collaborative search
3	Weiliang Zhao, Vijay Varadharajan	A Novel Approach of Web Search Based on Community Wisdom.	ICIW	2008	DBLP DOI BibTeX RDF	ranking scores, community, trust, web search
3	Fabiano Atalla, Daniel Miranda, Jussara M. Almeida, Marcos André Gonçalves, Virgilio Almeida	Analyzing the impact of churn and malicious behavior on the quality of peer-to-peer web search.	SAC	2008	DBLP DOI BibTeX RDF	malicious behavior, peer-to-peer systems, web search engines, churn
3	John D. Garofalakis, Theodoula Giannakoudi, Agoritsa Vopi	Personalized Web Search by Constructing Semantic Clusters of User Profiles.	KES	2008	DBLP DOI BibTeX RDF	Clustering, Ontology, Personalization, Web Search, User Profiles, Semantic Annotation, Web Usage Mining
3	Zhiwei Li, Shuming Shi, Lei Zhang 0001	Improving relevance judgment of web search results with image excerpts.	WWW	2008	DBLP DOI BibTeX RDF	dominant image, image excerpts, usability, user interface, web search
3	Hui Zhang, Liping Zhao 0004, Rui Liu, Deqing Wang	A No-Word-Segmentation Hierarchical Clustering Approach to Chinese Web Search Results.	AIRS	2008	DBLP DOI BibTeX RDF	Chinese Web search results, no-word segmentation, hierarchical clustering, Edit Distance
3	S. Sendhilkumar, T. V. Geetha	Personalized ontology for web search personalization.	Bangalore Compute Conf.	2008	DBLP DOI BibTeX RDF	architecture, personalization, web search, user profile, personalized ontology
3	Lars Langer, Erik Frøkjær	Improving web search transparency by using a Venn diagram interface.	NordiCHI	2008	DBLP DOI BibTeX RDF	information search and retrieva, visualization, user study, web search, Google, Venn diagram, usability measure
3	Gleb Skobeltsyn, Flavio Junqueira, Vassilis Plachouras, Ricardo A. Baeza-Yates	ResIn: a combination of results caching and index pruning for high-performance web search engines.	SIGIR	2008	DBLP DOI BibTeX RDF	caching, web search, pruning, query logs
3	Orland Hoeber, Xue Dong Yang	Evaluating the effectiveness of term frequency histograms for supporting interactive web search tasks.	Conference on Designing Interactive Systems	2008	DBLP DOI BibTeX RDF	search results exploration, visualization, evaluation, interaction, web search, information filtering, query formulation, query refinement
3	Saleema Amershi, Meredith Ringel Morris	CoSearch: a system for co-located collaborative web search.	CHI	2008	DBLP DOI BibTeX RDF	web search, cscw, collaborative search
3	Kerry Rodden, Xin Fu, Anne Aula, Ian Spiro	Eye-mouse coordination patterns on web search results pages.	CHI Extended Abstracts	2008	DBLP DOI BibTeX RDF	mouse usage, user studies, eye tracking, web search
3	Meredith Ringel Morris	A survey of collaborative web search practices.	CHI	2008	DBLP DOI BibTeX RDF	computer-supported cooperative work, web search
3	Zhicheng Dou, Ruihua Song, Xiaojie Yuan, Ji-Rong Wen	Are click-through data adequate for learning web search rankings?	CIKM	2008	DBLP DOI BibTeX RDF	learning to rank, implicit feedback, click-through data, relevance judgments, web search rankings
3	Wei Gao, John Blitzer, Ming Zhou	Using English information in non-English web search.	CIKM-iNEWS	2008	DBLP DOI BibTeX RDF	cross-lingual similarity metrics, non-English web search, learning-to-rank, query translation
3	Dou Shen, Toby Walker, Zijian Zheng, Qiang Yang, Ying Li	Personal name classification in web queries.	WSDM	2008	DBLP DOI BibTeX RDF	personal name classification, probabilistic dictionaries, web search, web query
3	Maurice Coyle, Barry Smyth	Supporting intelligent Web search.	ACM Trans. Internet Techn.	2007	DBLP DOI BibTeX RDF	personalization, Web search, visualisation, explanation, Collaborative search, interaction history
3	Michael P. O'Mahony, Barry Smyth	Collaborative web search: a robustness analysis.	Artif. Intell. Rev.	2007	DBLP DOI BibTeX RDF	Malicious attack, Robustness, Personalisation, Collaborative web search
3	Tun Thura Thet, Jin-Cheon Na, Christopher S. G. Khoo	Automatic Classification of Web Search Results: Product Review vs. Non-review Documents.	ICADL	2007	DBLP DOI BibTeX RDF	Product Review Documents, Snippets, Genre Classification, Web Search Results
3	Ryong Lee, Yongjin Kwon	A Continuous Spatial Query Processing for Push-Based Geographic Web Search Systems.	W2GIS	2007	DBLP DOI BibTeX RDF	Geographic Web Search Systems, Continuous Query Processing
3	Isak Taksa, Sarah Zelikovitz, Amanda Spink	Using Web Search Logs to Identify Query Classification Terms.	ITNG	2007	DBLP DOI BibTeX RDF	web search logs, short text classification, labeled sets, machine learning
3	Raphael Hoffmann, James Fogarty, Daniel S. Weld	Assieme: finding and leveraging implicit references in a web search interface for programmers.	UIST	2007	DBLP DOI BibTeX RDF	implicit references, web search interfaces
3	Meredith Ringel Morris, Eric Horvitz	SearchTogether: an interface for collaborative web search.	UIST	2007	DBLP DOI BibTeX RDF	persistent search, computer-supported cooperative work, collaborative search, web search interfaces
3	Aruna Balasubramanian, Yun Zhou, W. Bruce Croft, Brian Neil Levine, Arun Venkataramani	Web search from a bus.	Challenged Networks	2007	DBLP DOI BibTeX RDF	Internet, web search, application, testbed, disruption-tolerant networking
3	Shenghua Bao, Gui-Rong Xue, Xiaoyuan Wu, Yong Yu, Ben Fei, Zhong Su	Optimizing web search using social annotations.	WWW	2007	DBLP DOI BibTeX RDF	social page rank, social similarity, evaluation, web search, social annotation
3	Ryen W. White, Steven M. Drucker	Investigating behavioral variability in web search.	WWW	2007	DBLP DOI BibTeX RDF	behavioral variability, web search
3	Satoshi Nakamura, Shinji Konishi, Adam Jatowt, Hiroaki Ohshima, Hiroyuki Kondo, Taro Tezuka, Satoshi Oyama, Katsumi Tanaka	Trustworthiness Analysis of Web Search Results.	ECDL	2007	DBLP DOI BibTeX RDF	page locality, user study, Web search, trustworthiness
3	Doug Downey, Susan T. Dumais, Eric Horvitz	Heads and tails: studies of web search with common and rare queries.	SIGIR	2007	DBLP DOI BibTeX RDF	Zipf distribution, web search, probabilistic latent semantic analysis
3	Fuchun Peng, Nawaaz Ahmed, Xin Li, Yumao Lu	Context sensitive stemming for web search.	SIGIR	2007	DBLP DOI BibTeX RDF	web search, language modeling, stemming
3	Charles L. A. Clarke, Eugene Agichtein, Susan T. Dumais, Ryen W. White	The influence of caption features on clickthrough patterns in web search.	SIGIR	2007	DBLP DOI BibTeX RDF	web search, summarization, query logs, snippets
3	Ryen W. White, Mikhail Bilenko, Silviu Cucerzan	Studying the use of popular destinations to enhance web search interaction.	SIGIR	2007	DBLP DOI BibTeX RDF	enhanced web search, search destinations, user studies
3	Yun Zhou, W. Bruce Croft	Query performance prediction in web search environments.	SIGIR	2007	DBLP DOI BibTeX RDF	web search, query classification, query performance prediction
3	Felipe Saint-Jean, Aaron Johnson, Dan Boneh, Joan Feigenbaum	Private web search.	WPES	2007	DBLP DOI BibTeX RDF	PWS, privacy, anonymity, web search, tor, firefox
3	Vincenzo Loia, Sabrina Senatore	Customized Query Response for an Improved Web Search.	IFSA	2007	DBLP DOI BibTeX RDF	ontologies, Web search, FCM clustering
3	Anna Dickinson, Michael J. Smith, John L. Arnott, Alan F. Newell, Robin L. Hill	Approaches to web search and navigation for older computer novices.	CHI	2007	DBLP DOI BibTeX RDF	interface layering, usability, accessibility, web search, human factors, web browser, older people, web portal
3	Edward Cutrell, Zhiwei Guan	What are you looking for?: an eye-tracking study of information usage in web search.	CHI	2007	DBLP DOI BibTeX RDF	contextual snippets, user studies, eye tracking, web search
3	Zhiwei Guan, Edward Cutrell	An eye tracking study of the effect of target rank on web search.	CHI	2007	DBLP DOI BibTeX RDF	target position, trust, eye tracking, web search
3	Xiaohui Long, Torsten Suel	Three-Level Caching for Efficient Query Processing in Large Web Search Engines.	World Wide Web	2006	DBLP DOI BibTeX RDF	search engine architecture, search engine query processing, caching, web search, inverted index
3	Barry Smyth, Evelyn Balfe	Anonymous personalization in collaborative web search.	Inf. Retr.	2006	DBLP DOI BibTeX RDF	Personalization, Web search, Social search