Usingcollectedindirect measurements and the forward model, the goal becomes to recover the source. When the forward model is unknown, or imperfect, artifacts due to model mismatch occur in the recovery of the source.

We introduce Lifelong ICL, a problem setting that challenges long-context language models (LMs) to learn a sequence of language tasks through in-context learning(ICL).

World Bank Chief Economist Indermit Gill speaks during an interview in Washington on Feb. 3. | JIJI WASHINGTON - World Bank Chief Economist Indermit Gill has expressed hopes for Japan's cooperation in addressing global economic disparities that may widen due to the uneven adoption of artificial intelligence technology. In a recent interview, Gill said he believes that productivity gains from the adoption of AI could become a key driver of growth in a global economy that has lost its longterm growth momentum. Although the uneven adoption of AI could widen global economic disparities, Gill said Japan could play a key role in addressing this risk by promoting technology transfer through trade and investment. In a time of both misinformation and too much information, quality journalism is more crucial than ever. By subscribing, you can help us get the story right.

Inpractice, however, atrade-offbetweengenerality (wideapplicability) and specificity (benefitsforspecifictasks) arises. (Figure 1).

Forexample,theusercouldsolvethe task using actions unavailable to the agent (e.g., the user may have two arms, but a robotic agent mayhaveonlyone) ortheusercould findsuccess examples bysearching theinternet.