Nodes of topicality: Modeling user notions ofon topic documents

摘要: Topicality, while demonstrably an empirically manageable variable of investigation, engenders aspects cognitive complexity that may, or may not, be easily managed during user interactions with IR systems. If item retrieved from system is considered to on topic by a user, the meaning judgment imply other underlying criteria. What makes for users subject this investigation. Although topicality has served generate great deal attention in body information science literature, suffered lack full understanding designing more effective approaches search and retrieval. This investigation takes inductive approach deductive extraction characteristics describe explain how items systems can as topic.