---
title: "Zhifei Li — papers of 2009 — 2 papers, the most cited first"
description: "Zhifei Li — papers of 2009: 2 papers on Elamur Research, the most cited first — what each work is about in our own words."
canonical: "https://research.elamur.ai/free/en/authors/zhifei-li/year/2009/"
---
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# Zhifei Li — papers of 2009 — 2 papers, the most cited first

2 papers · [all years of Zhifei Li](https://md.research.elamur.ai/free/en/authors/zhifei-li/#years)

**[First- and Second-Order Expectation Semirings with Applications to Minimum-Risk Training on Translation Forests](https://md.research.elamur.ai/free/en/papers/li-2009-first-second-order-expectation-semirings/) [Conference on Empirical Methods in Natural Language Processing (EMNLP)](https://md.research.elamur.ai/free/en/venues/emnlp/)**Zhifei Li, Jason Eisner*2009 · 194 citations*

**[Joshua: An Open Source Toolkit for Parsing-Based Machine Translation](https://md.research.elamur.ai/free/en/papers/li-2009-joshua-open-source-toolkit-parsing/) [Conference on Machine Translation (WMT)](https://md.research.elamur.ai/free/en/venues/wmt/)**Zhifei Li, Chris Callison-Burch, Chris Dyer, et al.*2009 · 163 citations*