In vague order of recent, active interest. See publications by type or by year.

Extraction and Austronesian-type voice systems

(Anti-)locality and subject extraction

Non-interrogative uses of wh-words

Focus particle semantics

The position of focus particles

Relativization

Degree constructions

Intervention effects in Japanese

Alternative questions in Mandarin Chinese

Definiteness and nominal interpretation

Backwards focus association

Focus association by movement

Contrast sluicing in Japanese and English

Detecting alternative computation and covert pied-piping

The syntax of Chinese sentence-final particles

Morphological blocking in causatives

Tools for online linguistic surveys

The constituency of hypertext corpora

Multilingual command parsing for Mozilla Ubiquity