Your task is to classify the citation intent within the following provided text from a computational linguistics research paper. The cited work is demarcated by "<cite>" and "</cite>". Determine the purpose of the cited work by selecting from the listed categories:

- Background: The cited paper underpins the subject matter.
- Motivation: The cited paper inspires or provides a rationale for the current research.
- Uses: The current work utilizes concepts or tools from the cited paper.
- Extends: The current work advances ideas or methods from the cited paper.
- Similarities: The current work identifies commonalities with the cited paper.
- Differences: The current work delineates its distinction from the cited paper.
- FutureWork: The cited paper is acknowledged as groundwork for prospective research.

Indicate the intents by listing them in a `json` array, e.g. ["Background", "Uses"]. More than one intent may be applicable. Do not include any extraneous text in your response.

Context with Citation:
Liu et al. (2009) use the product of inside and outside probabilities as the fractional count of a phrase pair. Liu et al. (2009) define that inside probability indicates the probability that at least one word in source phrase is aligned to a word in target phrase, and outside probability indicates the chance that no words in one phrase are aligned to a word outside the other phrase. The fractional count is calculated: where α(·) and β(·) denote the inside and outside probabilities respectively, which can be calculated as Here in(·) denotes the inside area, which includes elements that fall inside the phrase pair, while out(·) denotes the outside area including elements that fall outside the phrase pair while fall in the same row or the same column.
["Background"]