Key person: Sanda Erdelez
資訊偶遇是一種 OAI (Opportunistic Acquisition of Information)機會主義者式的獲得資訊行為形式。
<html> <table style=“font-size:10pt;text-align:left;”> <tr><th></html>LIS<html></th></tr> <tr><td></html>information_behavior <html></td></tr> <tr><td></html>collaborative information behavior<html></td></tr> <tr><th> Information behavior theories </th></tr> <tr><td></html> affective_load, anomalous_state_of_knowledge, archival_intelligence, social_cognition, berrypicking, big6_skills for Information Literacy, browsing, cognitive_authority, cognitive_work_analysis, collective_action_dilemma, communicative_action, communities_of_practice, cultural_models_of_hall_and_hofstede, diffusion_theory, The domain_analytic_approach to Scholars Information Practices, ecological_model_of_human_information_behavior, elicitation_as_micro_level_information_seeking, everyday_life_information_seeking, face_threat, flow_theory, general_model_of_the_information_seeking_of_professionals, information_acquiring-and-sharing, information_activities_in_work_tasks, information_encountering, information_grounds, information_horizons, information_intents, information_interchange, information_poverty, information_seeking_behavior_model, information_seeking_model, information_search_process, information_use_environments, institutional_ethnography, integrative_framework_for_information_seeking_and_interactive_information_retrieval, interpretative_repertoires, The imposed_query, library_anxiety, life_in_the_round, monitoring and blunting, motivational_factors_for_interface_design, network_gatekeeping, nonlinear_information_seeking, optimal_foraging, organizational_sense_making_and_information_use, The pain_hypothesis, perspectives_on_the_tasks in which Information Behaviors are Embedded, phenomenography, practice_of_everyday_life, principle_of_least_effort, professions_and_occupational_identities, question-negotiation, radical_change, reader_response_theory, rounding_and_dissonant_grounds, sense-making, serious_leisure, small-world_network, social_capital, social_constructionist_viewpoint_on_information_practices, social_positioning, socio-cognitive_theory, strength_of_weak_ties, symbolic_violence, transtheoretical_model of the health behavior change, value_sensitive_design, web_information_behaviors_of_organizational_workers, willingness_to_return, women_knowing, work_task_information_seeking_and_retrieval_processes, www_information_seeking, Vygotsky's zpd <html></td></tr></table></html>
Erdelez 第一步(1997)說明並描繪資訊偶遇概念的存在。 Erdelez 第二步(2000)以網路資訊環境的特徵作為資訊偶遇的環境。
Erdelez(1997)認為資訊偶遇(IE)包含三元素:
Erdelez(1997)根據使用者的經驗，區分四種資訊偶遇族群：
資訊偶遇在資訊行為中的定位：
IE 的功能模式 (2004)
.