SOMERVILLE, MA-The city's redevelopment authority approves a major change to the Assembly Square Revitalization Plan to develop the 145-acre Assembly Square. The city will tale title to four sites, totaling 189,000 sf, under the law of eminent domain.

WESTBOROUGH, MA-Genzyme Corp. takes 85,000 sf while Amersham Biosciences leases 75,000 sf in deals that could be paving the way for biotech companies to shift their focus away from Cambridge to this area.

BILLERICA, MA- Novell Inc., a provider of internet business solutions, acquires SilverStream Software, Inc., a locally based developer of Web services applications, for $212 million.

BOSTON-With only 11 definite bookings through 2012 for the $800-million convention center being constructed on the South Boston waterfront, a committee of the Massachusetts Convention Center Authority proposes a new sales and marketing strategy.

WESTBOROUGH, MA-Genzyme Corp. takes 85,000 sf while Amersham Biosciences leases 75,000 sf in deals that could be paving the way for biotech companies to shift their focus away from Cambridge to this area.

BOSTON-A $9.6-million bridge loan is arranged for Le Jardin Condominiums at 250 Boylston St. The project consists of eight luxury residential units and a retail unit and is located between the Four Seasons Hotel and The Heritage on The Garden overlooking the Boston Public Garden.

MARLBOROUGH, MA-Telica, Inc., a provider of softswitch-based voice- and data-switching systems for telecommunications networks, expands and renews its lease at 734 Forest St., the company's headquarters. The firm is looking to grow while centralizing its operations.

WEST SPRINGFIELD, MA-Eastern Development, LLC purchases the Riverdale Shopping Center, a 273,000-SF facility anchored by Stop & Shop supermarket. The real estate development firm paid Prudential Insurance Company $26.5 million for the property.