Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Cross-situational learning of large lexicons with finite memory   Cross-situational word learning, wherein a learner combines information about
possible meanings of a word across multiple exposures, has previously been
shown to be a very powerful strategy to acquire a large lexicon in a short
time. However, this success may derive from idealizations that are made when
modeling the word-learning process. In particular, an earlier model assumed
that a learner could perfectly recall all previous instances of a word's use
and the inferences that were drawn about its meaning. In this work, we relax
this assumption and determine the performance of a model cross-situational
learner who forgets word-meaning associations over time. Our main finding is
that it is possible for this learner to acquire a human-scale lexicon by
adulthood with word-exposure and memory-decay rates that are consistent with
empirical research on childhood word learning, as long as the degree of
referential uncertainty is not too high or the learner employs a mutual
exclusivity constraint. Our findings therefore suggest that successful word
learning does not necessarily demand either highly accurate long-term tracking
of word and meaning statistics or hypothesis-testing strategies.

16
The categories of this paper are: stat
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
30
The categories of this paper are: q-alg