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KDD
2006
ACM
177views Data Mining» more  KDD 2006»
14 years 5 months ago
Topics over time: a non-Markov continuous-time model of topical trends
This paper presents an LDA-style topic model that captures not only the low-dimensional structure of data, but also how the structure changes over time. Unlike other recent work t...
Xuerui Wang, Andrew McCallum
INFOVIS
2000
IEEE
13 years 9 months ago
ThemeRiver: Visualizing Theme Changes over Time
ThemeRiver™ is a prototype system that visualizes thematic variations over time within a large collection of documents. The “river” flows from left to right through time, ch...
Susan Havre, Elizabeth G. Hetzler, Lucy T. Nowell
INTERSPEECH
2010
13 years 3 days ago
The relevance of timing, pauses and overlaps in dialogues: detecting topic changes in scenario based meetings
We present an investigation of the relevance of simple conversational features as indicators of topic shifts in small-group meetings. Three proposals for representation of dialogu...
Saturnino Luz, Jing Su
CIE
2007
Springer
13 years 11 months ago
From Logic to Physics: How the Meaning of Computation Changed over Time
The intuition guiding the de…nition of computation has shifted over time, a process that is re‡ected in the changing formulations of the Church-Turing thesis. The theory of co...
Itamar Pitowsky
PAMI
2010
113views more  PAMI 2010»
13 years 3 months ago
Hierarchical Bayesian Modeling of Topics in Time-Stamped Documents
—We consider the problem of inferring and modeling topics in a sequence of documents with known publication dates. The documents at a given time are each characterized by a topic...
Iulian Pruteanu-Malinici, Lu Ren, John William Pai...