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AIED
2007
Springer
16 years 1 months ago
Beyond the code-and-count analysis of tutoring dialogues
In this paper, we raise a methodological issue concerning the empirical analysis of tutoring dialogues: The frequencies of tutoring moves do not necessarily reveal their causal efï...
Stellan Ohlsson, Barbara Di Eugenio, Bettina Chow,...
ATAL
2007
Springer
16 years 29 days ago
Online auctions for bidders with interdependent values
Interdependent values (IDV) is a valuation model allowing bidders in an auction to express their value for the item(s) to sell as a function of the other bidders’ information. W...
Florin Constantin, Takayuki Ito, David C. Parkes
DIS
2007
Springer
16 years 29 days ago
Unsupervised Spam Detection Based on String Alienness Measures
We propose an unsupervised method for detecting spam documents from Web page data, based on equivalence relations on strings. We propose 3 measures for quantifying the alienness (...
Kazuyuki Narisawa, Hideo Bannai, Kohei Hatano, Mas...
ICALP
2007
Springer
16 years 29 days ago
Modular Algorithms for Heterogeneous Modal Logics
Abstract. State-based systems and modal logics for reasoning about them often heterogeneously combine a number of features such as non-determinism and probabilities. Here, we show ...
Lutz Schröder, Dirk Pattinson
176
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ICALP
2007
Springer
16 years 29 days ago
Private Locally Decodable Codes
We consider the problem of constructing efficient locally decodable codes in the presence of a computationally bounded adversary. Assuming the existence of one-way functions, we c...
Rafail Ostrovsky, Omkant Pandey, Amit Sahai